7995555996 has 48 divisors (see below), whose sum is σ = 19174471680. Its totient is φ = 2591265600.

The previous prime is 7995555989. The next prime is 7995556007. The reversal of 7995555996 is 6995555997.

It is a self number, because there is not a number n which added to its sum of digits gives 7995555996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686421 + ... + 697971.

It is an arithmetic number, because the mean of its divisors is an integer number (399468160).

Almost surely, 2^7995555996 is an apocalyptic number.

It is an amenable number.

7995555996 is an abundant number, since it is smaller than the sum of its proper divisors (11178915684).

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

7995555996 is a wasteful number, since it uses less digits than its factorization.

7995555996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13154 (or 13152 counting only the distinct ones).

The product of its digits is 172226250, while the sum is 69.

The square root of 7995555996 is about 89417.8729114040. The cubic root of 7995555996 is about 1999.6295977387.

Subtracting from 7995555996 its reverse (6995555997), we obtain a palindrome (999999999).

The spelling of 7995555996 in words is "seven billion, nine hundred ninety-five million, five hundred fifty-five thousand, nine hundred ninety-six".