157881892 has 12 divisors (see below), whose sum is σ = 315763840. Its totient is φ = 67663656.

The previous prime is 157881827. The next prime is 157881901. The reversal of 157881892 is 298188751.

157881892 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819292 + ... + 2819347.

Almost surely, 2^157881892 is an apocalyptic number.

It is an amenable number.

157881892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157881892 is a wasteful number, since it uses less digits than its factorization.

157881892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638650 (or 5638648 counting only the distinct ones).

The product of its digits is 322560, while the sum is 49.

The square root of 157881892 is about 12565.1061276855. The cubic root of 157881892 is about 540.4772780800.

The spelling of 157881892 in words is "one hundred fifty-seven million, eight hundred eighty-one thousand, eight hundred ninety-two".