79044986 has 4 divisors (see below), whose sum is σ = 118567482. Its totient is φ = 39522492.

The previous prime is 79044949. The next prime is 79045049. The reversal of 79044986 is 68944097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78943225 + 101761 = 8885^2 + 319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79044986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19761245 + ... + 19761248.

Almost surely, 2^79044986 is an apocalyptic number.

79044986 is a deficient number, since it is larger than the sum of its proper divisors (39522496).

79044986 is a wasteful number, since it uses less digits than its factorization.

79044986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39522495.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 79044986 is about 8890.7247173670. The cubic root of 79044986 is about 429.1654735548.

The spelling of 79044986 in words is "seventy-nine million, forty-four thousand, nine hundred eighty-six".