8778478560 has 96 divisors (see below), whose sum is σ = 27697959072. Its totient is φ = 2337054720.

The previous prime is 8778478543. The next prime is 8778478567. The reversal of 8778478560 is 658748778.

8778478560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 8778478494 and 8778478503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8778478567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281340 + ... + 310980.

It is an arithmetic number, because the mean of its divisors is an integer number (288520407).

Almost surely, 2^8778478560 is an apocalyptic number.

8778478560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8778478560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13848979536).

8778478560 is an abundant number, since it is smaller than the sum of its proper divisors (18919480512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8778478560 is a wasteful number, since it uses less digits than its factorization.

8778478560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30276 (or 30268 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 60.

The square root of 8778478560 is about 93693.5353159438. The cubic root of 8778478560 is about 2062.8758150068.

The spelling of 8778478560 in words is "eight billion, seven hundred seventy-eight million, four hundred seventy-eight thousand, five hundred sixty".