157839864 has 64 divisors (see below), whose sum is σ = 485667840. Its totient is φ = 41627520.

The previous prime is 157839827. The next prime is 157839881. The reversal of 157839864 is 468938751.

157839864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33952 + ... + 38319.

It is an arithmetic number, because the mean of its divisors is an integer number (7588560).

Almost surely, 2^157839864 is an apocalyptic number.

157839864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157839864 is an abundant number, since it is smaller than the sum of its proper divisors (327827976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157839864 is a wasteful number, since it uses less digits than its factorization.

157839864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72300 (or 72296 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 157839864 is about 12563.4336070996. The cubic root of 157839864 is about 540.4293156556.

The spelling of 157839864 in words is "one hundred fifty-seven million, eight hundred thirty-nine thousand, eight hundred sixty-four".