79992036 has 30 divisors (see below), whose sum is σ = 209115830. Its totient is φ = 26663904.

The previous prime is 79992019. The next prime is 79992041. The reversal of 79992036 is 63029997.

It can be written as a sum of positive squares in only one way, i.e., 76212900 + 3779136 = 8730^2 + 1944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79991982 and 79992000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123121 + ... + 123768.

Almost surely, 2^79992036 is an apocalyptic number.

It is an amenable number.

79992036 is an abundant number, since it is smaller than the sum of its proper divisors (129123794).

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

79992036 is a wasteful number, since it uses less digits than its factorization.

79992036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246905 (or 246894 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 79992036 is about 8943.8266977843. The cubic root of 79992036 is about 430.8726392670.

The spelling of 79992036 in words is "seventy-nine million, nine hundred ninety-two thousand, thirty-six".