7897562976 has 192 divisors, whose sum is σ = 23276574720. Its totient is φ = 2332385280.

The previous prime is 7897562957. The next prime is 7897562999. The reversal of 7897562976 is 6792657987.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869795 + ... + 1874013.

It is an arithmetic number, because the mean of its divisors is an integer number (121232160).

Almost surely, 2^7897562976 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 7897562976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11638287360).

7897562976 is an abundant number, since it is smaller than the sum of its proper divisors (15379011744).

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

7897562976 is a wasteful number, since it uses less digits than its factorization.

7897562976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317 (or 4309 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 66.

The square root of 7897562976 is about 88868.2337846320. The cubic root of 7897562976 is about 1991.4268846894.

The spelling of 7897562976 in words is "seven billion, eight hundred ninety-seven million, five hundred sixty-two thousand, nine hundred seventy-six".