157979386 has 16 divisors (see below), whose sum is σ = 241591680. Its totient is φ = 77456880.

The previous prime is 157979383. The next prime is 157979389. The reversal of 157979386 is 683979751.

It is an interprime number because it is at equal distance from previous prime (157979383) and next prime (157979389).

It is not an unprimeable number, because it can be changed into a prime (157979383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41995 + ... + 45601.

It is an arithmetic number, because the mean of its divisors is an integer number (15099480).

Almost surely, 2^157979386 is an apocalyptic number.

157979386 is a deficient number, since it is larger than the sum of its proper divisors (83612294).

157979386 is a wasteful number, since it uses less digits than its factorization.

157979386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

The product of its digits is 2857680, while the sum is 55.

The square root of 157979386 is about 12568.9850823366. The cubic root of 157979386 is about 540.5885056324.

The spelling of 157979386 in words is "one hundred fifty-seven million, nine hundred seventy-nine thousand, three hundred eighty-six".