157085979 has 16 divisors (see below), whose sum is σ = 217539360. Its totient is φ = 100742400.

The previous prime is 157085941. The next prime is 157085993. The reversal of 157085979 is 979580751.

It is not a de Polignac number, because 157085979 - 2⁸ = 157085723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157085479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929 + ... + 17829.

It is an arithmetic number, because the mean of its divisors is an integer number (13596210).

Almost surely, 2^157085979 is an apocalyptic number.

157085979 is a deficient number, since it is larger than the sum of its proper divisors (60453381).

157085979 is a wasteful number, since it uses less digits than its factorization.

157085979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030.

The product of its (nonzero) digits is 793800, while the sum is 51.

The square root of 157085979 is about 12533.3945521555. The cubic root of 157085979 is about 539.5675309707.

The spelling of 157085979 in words is "one hundred fifty-seven million, eighty-five thousand, nine hundred seventy-nine".