8778160 has 40 divisors (see below), whose sum is σ = 20556720. Its totient is φ = 3485952.

The previous prime is 8778131. The next prime is 8778167. The reversal of 8778160 is 618778.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (8778167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14014 + ... + 14626.

It is an arithmetic number, because the mean of its divisors is an integer number (513918).

Almost surely, 2^8778160 is an apocalyptic number.

8778160 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 8778160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10278360).

8778160 is an abundant number, since it is smaller than the sum of its proper divisors (11778560).

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

8778160 is a wasteful number, since it uses less digits than its factorization.

8778160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 8778160 is about 2962.7959767760. The cubic root of 8778160 is about 206.2850861644.

The spelling of 8778160 in words is "eight million, seven hundred seventy-eight thousand, one hundred sixty".