115776313 has 4 divisors (see below), whose sum is σ = 116171748. Its totient is φ = 115380880.

The previous prime is 115776299. The next prime is 115776347. The reversal of 115776313 is 313677511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85877289 + 29899024 = 9267^2 + 5468^2 .

It is a cyclic number.

It is not a de Polignac number, because 115776313 - 2¹⁷ = 115645241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115776373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197278 + ... + 197863.

It is an arithmetic number, because the mean of its divisors is an integer number (29042937).

Almost surely, 2^115776313 is an apocalyptic number.

It is an amenable number.

115776313 is a deficient number, since it is larger than the sum of its proper divisors (395435).

115776313 is an equidigital number, since it uses as much as digits as its factorization.

115776313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395434.

The product of its digits is 13230, while the sum is 34.

The square root of 115776313 is about 10759.9401950011. The cubic root of 115776313 is about 487.3862112683.

It can be divided in two parts, 1157763 and 13, that added together give a square (1157776 = 1076²).

The spelling of 115776313 in words is "one hundred fifteen million, seven hundred seventy-six thousand, three hundred thirteen".