878497535520 has 384 divisors, whose sum is σ = 3371155200000. Its totient is φ = 211896622080.

The previous prime is 878497535507. The next prime is 878497535527. The reversal of 878497535520 is 25535794878.

878497535520 is a `hidden beast` number, since 8 + 7 + 8 + 4 + 9 + 75 + 3 + 552 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (878497535527) 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, 9410031 + ... + 9502929.

It is an arithmetic number, because the mean of its divisors is an integer number (8779050000).

Almost surely, 2^878497535520 is an apocalyptic number.

878497535520 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 878497535520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685577600000).

878497535520 is an abundant number, since it is smaller than the sum of its proper divisors (2492657664480).

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

878497535520 is a wasteful number, since it uses less digits than its factorization.

878497535520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93133 (or 93119 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 63.

The spelling of 878497535520 in words is "eight hundred seventy-eight billion, four hundred ninety-seven million, five hundred thirty-five thousand, five hundred twenty".