115707813 has 16 divisors (see below), whose sum is σ = 166447680. Its totient is φ = 71074944.

The previous prime is 115707811. The next prime is 115707817. The reversal of 115707813 is 318707511.

It is not a de Polignac number, because 115707813 - 2¹ = 115707811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115707811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21745 + ... + 26537.

It is an arithmetic number, because the mean of its divisors is an integer number (10402980).

Almost surely, 2^115707813 is an apocalyptic number.

115707813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115707813 is a deficient number, since it is larger than the sum of its proper divisors (50739867).

115707813 is a wasteful number, since it uses less digits than its factorization.

115707813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 115707813 is about 10756.7566208407. The cubic root of 115707813 is about 487.2900702958.

The spelling of 115707813 in words is "one hundred fifteen million, seven hundred seven thousand, eight hundred thirteen".