157979379 has 16 divisors (see below), whose sum is σ = 221543424. Its totient is φ = 99996000.

The previous prime is 157979369. The next prime is 157979383. The reversal of 157979379 is 973979751.

It is not a de Polignac number, because 157979379 - 2⁴ = 157979363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157979369) 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, 11097 + ... + 20954.

It is an arithmetic number, because the mean of its divisors is an integer number (13846464).

Almost surely, 2^157979379 is an apocalyptic number.

157979379 is a deficient number, since it is larger than the sum of its proper divisors (63564045).

157979379 is a wasteful number, since it uses less digits than its factorization.

157979379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32138.

The product of its digits is 3750705, while the sum is 57.

The square root of 157979379 is about 12568.9848038734. The cubic root of 157979379 is about 540.5884976479.

The spelling of 157979379 in words is "one hundred fifty-seven million, nine hundred seventy-nine thousand, three hundred seventy-nine".