113847817 has 2 divisors, whose sum is σ = 113847818. Its totient is φ = 113847816.

The previous prime is 113847731. The next prime is 113847859. The reversal of 113847817 is 718748311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74459641 + 39388176 = 8629^2 + 6276^2 .

It is a cyclic number.

It is not a de Polignac number, because 113847817 - 2⁷ = 113847689 is a prime.

It is a super-2 number, since 2×113847817² = 25922650871330978, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113847817.

It is not a weakly prime, because it can be changed into another prime (113847887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56923908 + 56923909.

It is an arithmetic number, because the mean of its divisors is an integer number (56923909).

Almost surely, 2^113847817 is an apocalyptic number.

It is an amenable number.

113847817 is a deficient number, since it is larger than the sum of its proper divisors (1).

113847817 is an equidigital number, since it uses as much as digits as its factorization.

113847817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 40.

The square root of 113847817 is about 10669.9492501136. The cubic root of 113847817 is about 484.6649004899.

The spelling of 113847817 in words is "one hundred thirteen million, eight hundred forty-seven thousand, eight hundred seventeen".