157979338 has 32 divisors (see below), whose sum is σ = 274176000. Its totient is φ = 67515120.

The previous prime is 157979321. The next prime is 157979363. The reversal of 157979338 is 833979751.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 56743 + ... + 59461.

It is an arithmetic number, because the mean of its divisors is an integer number (8568000).

Almost surely, 2^157979338 is an apocalyptic number.

157979338 is a deficient number, since it is larger than the sum of its proper divisors (116196662).

157979338 is a wasteful number, since it uses less digits than its factorization.

157979338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890.

The product of its digits is 1428840, while the sum is 52.

The square root of 157979338 is about 12568.9831728744. The cubic root of 157979338 is about 540.5884508821.

The spelling of 157979338 in words is "one hundred fifty-seven million, nine hundred seventy-nine thousand, three hundred thirty-eight".