79913144 has 16 divisors (see below), whose sum is σ = 150982920. Its totient is φ = 39651040.

The previous prime is 79913137. The next prime is 79913153. The reversal of 79913144 is 44131997.

It is a super-2 number, since 2×79913144² = 12772221167929472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79913098 and 79913107.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37079 + ... + 39174.

Almost surely, 2^79913144 is an apocalyptic number.

It is an amenable number.

79913144 is a deficient number, since it is larger than the sum of its proper divisors (71069776).

79913144 is a wasteful number, since it uses less digits than its factorization.

79913144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76390 (or 76386 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 79913144 is about 8939.4151934005. The cubic root of 79913144 is about 430.7309435555.

The spelling of 79913144 in words is "seventy-nine million, nine hundred thirteen thousand, one hundred forty-four".