157612979 has 8 divisors (see below), whose sum is σ = 163504320. Its totient is φ = 151819200.

The previous prime is 157612957. The next prime is 157613041. The reversal of 157612979 is 979216751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157612979 - 2²⁰ = 156564403 is a prime.

It is a super-2 number, since 2×157612979² = 49683702298508882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157612079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21092 + ... + 27569.

It is an arithmetic number, because the mean of its divisors is an integer number (20438040).

Almost surely, 2^157612979 is an apocalyptic number.

157612979 is a deficient number, since it is larger than the sum of its proper divisors (5891341).

157612979 is an equidigital number, since it uses as much as digits as its factorization.

157612979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781.

The product of its digits is 238140, while the sum is 47.

The square root of 157612979 is about 12554.4007821959. The cubic root of 157612979 is about 540.1702469604.

The spelling of 157612979 in words is "one hundred fifty-seven million, six hundred twelve thousand, nine hundred seventy-nine".