113857837 has 2 divisors, whose sum is σ = 113857838. Its totient is φ = 113857836.

The previous prime is 113857817. The next prime is 113857847. The reversal of 113857837 is 738758311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 30276 = 10669^2 + 174^2 .

It is an emirp because it is prime and its reverse (738758311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113857837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113857793 and 113857802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113857817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56928918 + 56928919.

It is an arithmetic number, because the mean of its divisors is an integer number (56928919).

Almost surely, 2^113857837 is an apocalyptic number.

It is an amenable number.

113857837 is a deficient number, since it is larger than the sum of its proper divisors (1).

113857837 is an equidigital number, since it uses as much as digits as its factorization.

113857837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 113857837 is about 10670.4187827845. The cubic root of 113857837 is about 484.6791188853.

The spelling of 113857837 in words is "one hundred thirteen million, eight hundred fifty-seven thousand, eight hundred thirty-seven".