79299812 has 6 divisors (see below), whose sum is σ = 138774678. Its totient is φ = 39649904.

The previous prime is 79299761. The next prime is 79299821. The reversal of 79299812 is 21899297.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78570496 + 729316 = 8864^2 + 854^2 .

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 as a sum of consecutive naturals, namely, 9912473 + ... + 9912480.

It is an arithmetic number, because the mean of its divisors is an integer number (23129113).

Almost surely, 2^79299812 is an apocalyptic number.

It is an amenable number.

79299812 is a deficient number, since it is larger than the sum of its proper divisors (59474866).

79299812 is a wasteful number, since it uses less digits than its factorization.

79299812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19824957 (or 19824955 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 79299812 is about 8905.0441885484. The cubic root of 79299812 is about 429.6261614710.

The spelling of 79299812 in words is "seventy-nine million, two hundred ninety-nine thousand, eight hundred twelve".