157187471886 has 64 divisors (see below), whose sum is σ = 361953715200. Its totient is φ = 50529443328.

The previous prime is 157187471873. The next prime is 157187471891. The reversal of 157187471886 is 688174781751.

157187471886 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 87 + 471 + 8 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245011 + ... + 611886.

It is an arithmetic number, because the mean of its divisors is an integer number (5655526800).

Almost surely, 2^157187471886 is an apocalyptic number.

157187471886 is an abundant number, since it is smaller than the sum of its proper divisors (204766243314).

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

157187471886 is a wasteful number, since it uses less digits than its factorization.

157187471886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857030 (or 857024 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 63.

The spelling of 157187471886 in words is "one hundred fifty-seven billion, one hundred eighty-seven million, four hundred seventy-one thousand, eight hundred eighty-six".