157897370 has 16 divisors (see below), whose sum is σ = 284832288. Its totient is φ = 63021840.

The previous prime is 157897349. The next prime is 157897381. The reversal of 157897370 is 73798751.

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 7 ways as a sum of consecutive naturals, for example, 12236 + ... + 21575.

It is an arithmetic number, because the mean of its divisors is an integer number (17802018).

Almost surely, 2^157897370 is an apocalyptic number.

157897370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157897370 is a deficient number, since it is larger than the sum of its proper divisors (126934918).

157897370 is a wasteful number, since it uses less digits than its factorization.

157897370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34285.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 157897370 is about 12565.7220246192. The cubic root of 157897370 is about 540.4949394551.

The spelling of 157897370 in words is "one hundred fifty-seven million, eight hundred ninety-seven thousand, three hundred seventy".