157877951 has 12 divisors (see below), whose sum is σ = 200350440. Its totient is φ = 123021360.

The previous prime is 157877939. The next prime is 157877953. The reversal of 157877951 is 159778751.

It is not a de Polignac number, because 157877951 - 2⁶ = 157877887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157877951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157877953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145916 + ... + 146993.

It is an arithmetic number, because the mean of its divisors is an integer number (16695870).

Almost surely, 2^157877951 is an apocalyptic number.

157877951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157877951 is a deficient number, since it is larger than the sum of its proper divisors (42472489).

157877951 is a wasteful number, since it uses less digits than its factorization.

157877951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292934 (or 292927 counting only the distinct ones).

The product of its digits is 617400, while the sum is 50.

The square root of 157877951 is about 12564.9493035189. The cubic root of 157877951 is about 540.4727809659.

The spelling of 157877951 in words is "one hundred fifty-seven million, eight hundred seventy-seven thousand, nine hundred fifty-one".