113400977 has 2 divisors, whose sum is σ = 113400978. Its totient is φ = 113400976.

The previous prime is 113400961. The next prime is 113400979. The reversal of 113400977 is 779004311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100982401 + 12418576 = 10049^2 + 3524^2 .

It is a cyclic number.

It is not a de Polignac number, because 113400977 - 2⁴ = 113400961 is a prime.

Together with 113400979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113400979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56700488 + 56700489.

It is an arithmetic number, because the mean of its divisors is an integer number (56700489).

Almost surely, 2^113400977 is an apocalyptic number.

It is an amenable number.

113400977 is a deficient number, since it is larger than the sum of its proper divisors (1).

113400977 is an equidigital number, since it uses as much as digits as its factorization.

113400977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 113400977 is about 10648.9894825753. The cubic root of 113400977 is about 484.0299838561.

The spelling of 113400977 in words is "one hundred thirteen million, four hundred thousand, nine hundred seventy-seven".