115959897 has 8 divisors (see below), whose sum is σ = 171792480. Its totient is φ = 77306580.

The previous prime is 115959853. The next prime is 115959901. The reversal of 115959897 is 798959511.

It is not a de Polignac number, because 115959897 - 2¹⁰ = 115958873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115959847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147379 + ... + 2147432.

It is an arithmetic number, because the mean of its divisors is an integer number (21474060).

Almost surely, 2^115959897 is an apocalyptic number.

It is an amenable number.

115959897 is a deficient number, since it is larger than the sum of its proper divisors (55832583).

115959897 is an equidigital number, since it uses as much as digits as its factorization.

115959897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294820 (or 4294814 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 54.

The square root of 115959897 is about 10768.4677182968. The cubic root of 115959897 is about 487.6436878222.

The spelling of 115959897 in words is "one hundred fifteen million, nine hundred fifty-nine thousand, eight hundred ninety-seven".