115826865 has 96 divisors (see below), whose sum is σ = 246150144. Its totient is φ = 45173760.

The previous prime is 115826857. The next prime is 115826897. The reversal of 115826865 is 568628511.

115826865 = 396² + 397² + ... + 742².

It is not a de Polignac number, because 115826865 - 2³ = 115826857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 333622 + ... + 333968.

It is an arithmetic number, because the mean of its divisors is an integer number (2564064).

Almost surely, 2^115826865 is an apocalyptic number.

115826865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115826865 is an abundant number, since it is smaller than the sum of its proper divisors (130323279).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115826865 is a wasteful number, since it uses less digits than its factorization.

115826865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 390 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 115826865 is about 10762.2890223223. The cubic root of 115826865 is about 487.4571375859.

The spelling of 115826865 in words is "one hundred fifteen million, eight hundred twenty-six thousand, eight hundred sixty-five".