878281775520 has 384 divisors, whose sum is σ = 2860286204160. Its totient is φ = 226394112000.

The previous prime is 878281775507. The next prime is 878281775521. The reversal of 878281775520 is 25577182878.

878281775520 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (878281775521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1332748951 + ... + 1332749609.

It is an arithmetic number, because the mean of its divisors is an integer number (7448661990).

Almost surely, 2^878281775520 is an apocalyptic number.

878281775520 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 878281775520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430143102080).

878281775520 is an abundant number, since it is smaller than the sum of its proper divisors (1982004428640).

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

878281775520 is a wasteful number, since it uses less digits than its factorization.

878281775520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 17561600, while the sum is 60.

The spelling of 878281775520 in words is "eight hundred seventy-eight billion, two hundred eighty-one million, seven hundred seventy-five thousand, five hundred twenty".