79927137 has 12 divisors (see below), whose sum is σ = 115644880. Its totient is φ = 53194968.

The previous prime is 79927117. The next prime is 79927147. The reversal of 79927137 is 73172997.

It is not a de Polignac number, because 79927137 - 2⁷ = 79927009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79927092 and 79927101.

It is not an unprimeable number, because it can be changed into a prime (79927117) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 1603 + ... + 12744.

Almost surely, 2^79927137 is an apocalyptic number.

It is an amenable number.

79927137 is a deficient number, since it is larger than the sum of its proper divisors (35717743).

79927137 is a wasteful number, since it uses less digits than its factorization.

79927137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972 (or 14969 counting only the distinct ones).

The product of its digits is 166698, while the sum is 45.

The square root of 79927137 is about 8940.1978166034. The cubic root of 79927137 is about 430.7560827922.

It can be divided in two parts, 7992 and 7137, that added together give a square (15129 = 123²).

The spelling of 79927137 in words is "seventy-nine million, nine hundred twenty-seven thousand, one hundred thirty-seven".