113397778 has 16 divisors (see below), whose sum is σ = 183720600. Its totient is φ = 52183296.

The previous prime is 113397763. The next prime is 113397787. The reversal of 113397778 is 877793311.

It can be written as a sum of positive squares in 4 ways, for example, as 92025649 + 21372129 = 9593^2 + 4623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826 + ... + 15322.

Almost surely, 2^113397778 is an apocalyptic number.

113397778 is a deficient number, since it is larger than the sum of its proper divisors (70322822).

113397778 is a wasteful number, since it uses less digits than its factorization.

113397778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861.

The product of its digits is 222264, while the sum is 46.

The square root of 113397778 is about 10648.8392794708. The cubic root of 113397778 is about 484.0254323771.

The spelling of 113397778 in words is "one hundred thirteen million, three hundred ninety-seven thousand, seven hundred seventy-eight".