113977871 has 20 divisors (see below), whose sum is σ = 136666392. Its totient is φ = 94980816.

The previous prime is 113977837. The next prime is 113977873. The reversal of 113977871 is 178779311.

It is not a de Polignac number, because 113977871 - 2¹⁰ = 113976847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113977873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88196 + ... + 89478.

Almost surely, 2^113977871 is an apocalyptic number.

113977871 is a deficient number, since it is larger than the sum of its proper divisors (22688521).

113977871 is an frugal number, since it uses more digits than its factorization.

113977871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1327 counting only the distinct ones).

The product of its digits is 74088, while the sum is 44.

The square root of 113977871 is about 10676.0419163658. The cubic root of 113977871 is about 484.8493825002.

The spelling of 113977871 in words is "one hundred thirteen million, nine hundred seventy-seven thousand, eight hundred seventy-one".