7975597516 has 48 divisors (see below), whose sum is σ = 15053623200. Its totient is φ = 3689667072.

The previous prime is 7975597459. The next prime is 7975597519. The reversal of 7975597516 is 6157955797.

It is a super-2 number, since 2×7975597516² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7975597519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249280 + ... + 279448.

It is an arithmetic number, because the mean of its divisors is an integer number (313617150).

Almost surely, 2^7975597516 is an apocalyptic number.

It is an amenable number.

7975597516 is a deficient number, since it is larger than the sum of its proper divisors (7078025684).

7975597516 is a wasteful number, since it uses less digits than its factorization.

7975597516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30298 (or 30296 counting only the distinct ones).

The product of its digits is 20837250, while the sum is 61.

The square root of 7975597516 is about 89306.2008821336. The cubic root of 7975597516 is about 1997.9643885125.

The spelling of 7975597516 in words is "seven billion, nine hundred seventy-five million, five hundred ninety-seven thousand, five hundred sixteen".