115780707 has 12 divisors (see below), whose sum is σ = 191130160. Its totient is φ = 66160368.

The previous prime is 115780697. The next prime is 115780739. The reversal of 115780707 is 707087511.

115780707 is a `hidden beast` number, since 11 + 578 + 0 + 70 + 7 = 666.

It is not a de Polignac number, because 115780707 - 2⁷ = 115780579 is a prime.

It is a super-2 number, since 2×115780707² = 26810344226839698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115780607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 918832 + ... + 918957.

Almost surely, 2^115780707 is an apocalyptic number.

115780707 is a deficient number, since it is larger than the sum of its proper divisors (75349453).

115780707 is a wasteful number, since it uses less digits than its factorization.

115780707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837802 (or 1837799 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

The square root of 115780707 is about 10760.1443763548. The cubic root of 115780707 is about 487.3923770313.

The spelling of 115780707 in words is "one hundred fifteen million, seven hundred eighty thousand, seven hundred seven".