115776431 has 2 divisors, whose sum is σ = 115776432. Its totient is φ = 115776430.

The previous prime is 115776407. The next prime is 115776449. The reversal of 115776431 is 134677511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115776431 - 2²² = 111582127 is a prime.

It is a super-2 number, since 2×115776431² = 26808363950195522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115776391 and 115776400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115776491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57888215 + 57888216.

It is an arithmetic number, because the mean of its divisors is an integer number (57888216).

Almost surely, 2^115776431 is an apocalyptic number.

115776431 is a deficient number, since it is larger than the sum of its proper divisors (1).

115776431 is an equidigital number, since it uses as much as digits as its factorization.

115776431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 115776431 is about 10759.9456783015. The cubic root of 115776431 is about 487.3863768507.

The spelling of 115776431 in words is "one hundred fifteen million, seven hundred seventy-six thousand, four hundred thirty-one".