113405977 has 2 divisors, whose sum is σ = 113405978. Its totient is φ = 113405976.

The previous prime is 113405969. The next prime is 113406017. The reversal of 113405977 is 779504311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112975641 + 430336 = 10629^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 113405977 - 2³ = 113405969 is a prime.

It is not a weakly prime, because it can be changed into another prime (113405947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56702988 + 56702989.

It is an arithmetic number, because the mean of its divisors is an integer number (56702989).

Almost surely, 2^113405977 is an apocalyptic number.

It is an amenable number.

113405977 is a deficient number, since it is larger than the sum of its proper divisors (1).

113405977 is an equidigital number, since it uses as much as digits as its factorization.

113405977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 113405977 is about 10649.2242440471. The cubic root of 113405977 is about 484.0370975936.

The spelling of 113405977 in words is "one hundred thirteen million, four hundred five thousand, nine hundred seventy-seven".