113891797 has 2 divisors, whose sum is σ = 113891798. Its totient is φ = 113891796.

The previous prime is 113891783. The next prime is 113891801. The reversal of 113891797 is 797198311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 31427236 = 9081^2 + 5606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113891797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113891717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56945898 + 56945899.

It is an arithmetic number, because the mean of its divisors is an integer number (56945899).

Almost surely, 2^113891797 is an apocalyptic number.

It is an amenable number.

113891797 is a deficient number, since it is larger than the sum of its proper divisors (1).

113891797 is an equidigital number, since it uses as much as digits as its factorization.

113891797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 46.

The square root of 113891797 is about 10672.0099793806. The cubic root of 113891797 is about 484.7273019738.

The spelling of 113891797 in words is "one hundred thirteen million, eight hundred ninety-one thousand, seven hundred ninety-seven".