875764656 has 160 divisors (see below), whose sum is σ = 2866691520. Its totient is φ = 253587456.

The previous prime is 875764651. The next prime is 875764657. The reversal of 875764656 is 656467578.

875764656 is a `hidden beast` number, since 8 + 7 + 576 + 4 + 65 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (875764651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90886 + ... + 100058.

It is an arithmetic number, because the mean of its divisors is an integer number (17916822).

Almost surely, 2^875764656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 875764656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433345760).

875764656 is an abundant number, since it is smaller than the sum of its proper divisors (1990926864).

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

875764656 is a wasteful number, since it uses less digits than its factorization.

875764656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220 (or 9208 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The square root of 875764656 is about 29593.3211383920. The cubic root of 875764656 is about 956.7441263238.

The spelling of 875764656 in words is "eight hundred seventy-five million, seven hundred sixty-four thousand, six hundred fifty-six".