157127881 has 16 divisors (see below), whose sum is σ = 169174656. Its totient is φ = 145590016.

The previous prime is 157127879. The next prime is 157127897. The reversal of 157127881 is 188721751.

157127881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 157127881 - 2¹ = 157127879 is a prime.

It is a super-2 number, since 2×157127881² = 49378341975100322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157122881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100401 + ... + 101953.

It is an arithmetic number, because the mean of its divisors is an integer number (10573416).

Almost surely, 2^157127881 is an apocalyptic number.

It is an amenable number.

157127881 is a deficient number, since it is larger than the sum of its proper divisors (12046775).

157127881 is a wasteful number, since it uses less digits than its factorization.

157127881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 31360, while the sum is 40.

The square root of 157127881 is about 12535.0660548718. The cubic root of 157127881 is about 539.6155024677.

The spelling of 157127881 in words is "one hundred fifty-seven million, one hundred twenty-seven thousand, eight hundred eighty-one".