7990564108 has 12 divisors (see below), whose sum is σ = 13994228080. Its totient is φ = 3992213232.

The previous prime is 7990564081. The next prime is 7990564129. The reversal of 7990564108 is 8014650997.

It is a super-2 number, since 2×7990564108² (a number of 21 digits) contains 22 as substring.

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, 761343 + ... + 771766.

Almost surely, 2^7990564108 is an apocalyptic number.

It is an amenable number.

7990564108 is a deficient number, since it is larger than the sum of its proper divisors (6003663972).

7990564108 is a wasteful number, since it uses less digits than its factorization.

7990564108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534416 (or 1534414 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 7990564108 is about 89389.9552970019. The cubic root of 7990564108 is about 1999.2133663109.

The spelling of 7990564108 in words is "seven billion, nine hundred ninety million, five hundred sixty-four thousand, one hundred eight".