115897705 has 32 divisors (see below), whose sum is σ = 174037248. Its totient is φ = 71980800.

The previous prime is 115897657. The next prime is 115897711. The reversal of 115897705 is 507798511.

It is not a de Polignac number, because 115897705 - 2¹⁵ = 115864937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177159 + ... + 177811.

It is an arithmetic number, because the mean of its divisors is an integer number (5438664).

Almost surely, 2^115897705 is an apocalyptic number.

It is an amenable number.

115897705 is a deficient number, since it is larger than the sum of its proper divisors (58139543).

115897705 is a wasteful number, since it uses less digits than its factorization.

115897705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

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

The square root of 115897705 is about 10765.5796406882. The cubic root of 115897705 is about 487.5564940008.

The spelling of 115897705 in words is "one hundred fifteen million, eight hundred ninety-seven thousand, seven hundred five".