115890835 has 4 divisors (see below), whose sum is σ = 139069008. Its totient is φ = 92712664.

The previous prime is 115890829. The next prime is 115890857. The reversal of 115890835 is 538098511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538098511 = 37 ⋅14543203.

It is a cyclic number.

It is not a de Polignac number, because 115890835 - 2⁷ = 115890707 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 11589079 + ... + 11589088.

It is an arithmetic number, because the mean of its divisors is an integer number (34767252).

Almost surely, 2^115890835 is an apocalyptic number.

115890835 is a deficient number, since it is larger than the sum of its proper divisors (23178173).

115890835 is an equidigital number, since it uses as much as digits as its factorization.

115890835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23178172.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 115890835 is about 10765.2605634978. The cubic root of 115890835 is about 487.5468602774.

The spelling of 115890835 in words is "one hundred fifteen million, eight hundred ninety thousand, eight hundred thirty-five".