115317898 has 4 divisors (see below), whose sum is σ = 172976850. Its totient is φ = 57658948.

The previous prime is 115317889. The next prime is 115317899. The reversal of 115317898 is 898713511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898713511 = 709 ⋅1267579.

It can be written as a sum of positive squares in only one way, i.e., 63952009 + 51365889 = 7997^2 + 7167^2 .

It is not an unprimeable number, because it can be changed into a prime (115317899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28829473 + ... + 28829476.

Almost surely, 2^115317898 is an apocalyptic number.

115317898 is a deficient number, since it is larger than the sum of its proper divisors (57658952).

115317898 is an equidigital number, since it uses as much as digits as its factorization.

115317898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57658951.

The product of its digits is 60480, while the sum is 43.

The square root of 115317898 is about 10738.6171362983. The cubic root of 115317898 is about 486.7420936656.

The spelling of 115317898 in words is "one hundred fifteen million, three hundred seventeen thousand, eight hundred ninety-eight".