7897330920 has 128 divisors (see below), whose sum is σ = 23933952000. Its totient is φ = 2084569344.

The previous prime is 7897330919. The next prime is 7897330963. The reversal of 7897330920 is 290337987.

It is a self number, because there is not a number n which added to its sum of digits gives 7897330920.

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, 5324499 + ... + 5325981.

It is an arithmetic number, because the mean of its divisors is an integer number (186984000).

Almost surely, 2^7897330920 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 7897330920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11966976000).

7897330920 is an abundant number, since it is smaller than the sum of its proper divisors (16036621080).

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

7897330920 is a wasteful number, since it uses less digits than its factorization.

7897330920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 7897330920 is about 88866.9281566545. The cubic root of 7897330920 is about 1991.4073796393.

The spelling of 7897330920 in words is "seven billion, eight hundred ninety-seven million, three hundred thirty thousand, nine hundred twenty".