113777391 has 24 divisors (see below), whose sum is σ = 187743360. Its totient is φ = 60012576.

The previous prime is 113777387. The next prime is 113777401. The reversal of 113777391 is 193777311.

It is not a de Polignac number, because 113777391 - 2² = 113777387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113777351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12481 + ... + 19578.

It is an arithmetic number, because the mean of its divisors is an integer number (7822640).

Almost surely, 2^113777391 is an apocalyptic number.

113777391 is a deficient number, since it is larger than the sum of its proper divisors (73965969).

113777391 is a wasteful number, since it uses less digits than its factorization.

113777391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095 (or 32082 counting only the distinct ones).

The product of its digits is 27783, while the sum is 39.

The square root of 113777391 is about 10666.6485364429. The cubic root of 113777391 is about 484.5649423417.

The spelling of 113777391 in words is "one hundred thirteen million, seven hundred seventy-seven thousand, three hundred ninety-one".