113091977 has 2 divisors, whose sum is σ = 113091978. Its totient is φ = 113091976.

The previous prime is 113091961. The next prime is 113092013. The reversal of 113091977 is 779190311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89946256 + 23145721 = 9484^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 113091977 - 2⁴ = 113091961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113091977.

It is not a weakly prime, because it can be changed into another prime (113093977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56545988 + 56545989.

It is an arithmetic number, because the mean of its divisors is an integer number (56545989).

Almost surely, 2^113091977 is an apocalyptic number.

It is an amenable number.

113091977 is a deficient number, since it is larger than the sum of its proper divisors (1).

113091977 is an equidigital number, since it uses as much as digits as its factorization.

113091977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 38.

The square root of 113091977 is about 10634.4711669175. The cubic root of 113091977 is about 483.5899484985.

The spelling of 113091977 in words is "one hundred thirteen million, ninety-one thousand, nine hundred seventy-seven".