113857087 has 4 divisors (see below), whose sum is σ = 113916376. Its totient is φ = 113797800.

The previous prime is 113857057. The next prime is 113857097. The reversal of 113857087 is 780758311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780758311 = 6053 ⋅128987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113857087 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 (113857027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26664 + ... + 30637.

It is an arithmetic number, because the mean of its divisors is an integer number (28479094).

Almost surely, 2^113857087 is an apocalyptic number.

113857087 is a deficient number, since it is larger than the sum of its proper divisors (59289).

113857087 is an equidigital number, since it uses as much as digits as its factorization.

113857087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59288.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 113857087 is about 10670.3836388389. The cubic root of 113857087 is about 484.6780546631.

The spelling of 113857087 in words is "one hundred thirteen million, eight hundred fifty-seven thousand, eighty-seven".