113519977 has 2 divisors, whose sum is σ = 113519978. Its totient is φ = 113519976.

The previous prime is 113519969. The next prime is 113520031. The reversal of 113519977 is 779915311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113443801 + 76176 = 10651^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 113519977 - 2³ = 113519969 is a prime.

It is not a weakly prime, because it can be changed into another prime (113519947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56759988 + 56759989.

It is an arithmetic number, because the mean of its divisors is an integer number (56759989).

Almost surely, 2^113519977 is an apocalyptic number.

It is an amenable number.

113519977 is a deficient number, since it is larger than the sum of its proper divisors (1).

113519977 is an equidigital number, since it uses as much as digits as its factorization.

113519977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59535, while the sum is 43.

The square root of 113519977 is about 10654.5754021453. The cubic root of 113519977 is about 484.1992341087.

It can be divided in two parts, 1135 and 19977, that added together give a palindrome (21112).

The spelling of 113519977 in words is "one hundred thirteen million, five hundred nineteen thousand, nine hundred seventy-seven".