79992000008 has 8 divisors (see below), whose sum is σ = 149985000030. Its totient is φ = 39996000000.

The previous prime is 79991999987. The next prime is 79992000037. The reversal of 79992000008 is 80000029997.

It can be written as a sum of positive squares in only one way, i.e., 57294167044 + 22697832964 = 239362^2 + 150658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999499993 + ... + 4999500008.

Almost surely, 2^79992000008 is an apocalyptic number.

It is an amenable number.

79992000008 is a deficient number, since it is larger than the sum of its proper divisors (69993000022).

79992000008 is a wasteful number, since it uses less digits than its factorization.

79992000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999000007 (or 9999000003 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 79992000008 in words is "seventy-nine billion, nine hundred ninety-two million, eight", and thus it is an aban number.