157471886 has 32 divisors (see below), whose sum is σ = 292118400. Its totient is φ = 62592480.

The previous prime is 157471871. The next prime is 157471903. The reversal of 157471886 is 688174751.

It is a self number, because there is not a number n which added to its sum of digits gives 157471886.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9056 + ... + 19923.

It is an arithmetic number, because the mean of its divisors is an integer number (9128700).

Almost surely, 2^157471886 is an apocalyptic number.

157471886 is a deficient number, since it is larger than the sum of its proper divisors (134646514).

157471886 is a wasteful number, since it uses less digits than its factorization.

157471886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29024.

The product of its digits is 376320, while the sum is 47.

The square root of 157471886 is about 12548.7802594515. The cubic root of 157471886 is about 540.0090144814.

The spelling of 157471886 in words is "one hundred fifty-seven million, four hundred seventy-one thousand, eight hundred eighty-six".