115079785 has 4 divisors (see below), whose sum is σ = 138095748. Its totient is φ = 92063824.

The previous prime is 115079761. The next prime is 115079807. The reversal of 115079785 is 587970511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 587970511 = 257 ⋅2287823.

It can be written as a sum of positive squares in 2 ways, for example, as 55666521 + 59413264 = 7461^2 + 7708^2 .

It is a cyclic number.

It is not a de Polignac number, because 115079785 - 2⁵ = 115079753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11507974 + ... + 11507983.

It is an arithmetic number, because the mean of its divisors is an integer number (34523937).

Almost surely, 2^115079785 is an apocalyptic number.

It is an amenable number.

115079785 is a deficient number, since it is larger than the sum of its proper divisors (23015963).

115079785 is an equidigital number, since it uses as much as digits as its factorization.

115079785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23015962.

The product of its (nonzero) digits is 88200, while the sum is 43.

The square root of 115079785 is about 10727.5246445767. The cubic root of 115079785 is about 486.4068479805.

The spelling of 115079785 in words is "one hundred fifteen million, seventy-nine thousand, seven hundred eighty-five".