7888521056 has 48 divisors (see below), whose sum is σ = 16741242000. Its totient is φ = 3637360128.

The previous prime is 7888521029. The next prime is 7888521079. The reversal of 7888521056 is 6501258887.

It is a junction number, because it is equal to n+sod(n) for n = 7888520995 and 7888521013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452795 + ... + 469893.

It is an arithmetic number, because the mean of its divisors is an integer number (348775875).

Almost surely, 2^7888521056 is an apocalyptic number.

It is an amenable number.

7888521056 is an abundant number, since it is smaller than the sum of its proper divisors (8852720944).

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

7888521056 is a wasteful number, since it uses less digits than its factorization.

7888521056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231 (or 18223 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The square root of 7888521056 is about 88817.3465940072. The cubic root of 7888521056 is about 1990.6665995728. Note that the first 3 decimals are identical.

The spelling of 7888521056 in words is "seven billion, eight hundred eighty-eight million, five hundred twenty-one thousand, fifty-six".