7796815872 has 48 divisors (see below), whose sum is σ = 20786449320. Its totient is φ = 2598936576.

The previous prime is 7796815847. The next prime is 7796815883. The reversal of 7796815872 is 2785186977.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×7796815872² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628363 + ... + 640650.

Almost surely, 2^7796815872 is an apocalyptic number.

It is an amenable number.

7796815872 is an abundant number, since it is smaller than the sum of its proper divisors (12989633448).

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

7796815872 is a wasteful number, since it uses less digits than its factorization.

7796815872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269038 (or 1269018 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 60.

The square root of 7796815872 is about 88299.5802481529. The cubic root of 7796815872 is about 1982.9225853227.

The spelling of 7796815872 in words is "seven billion, seven hundred ninety-six million, eight hundred fifteen thousand, eight hundred seventy-two".