116577431 has 2 divisors, whose sum is σ = 116577432. Its totient is φ = 116577430.

The previous prime is 116577427. The next prime is 116577497. The reversal of 116577431 is 134775611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116577431 - 2² = 116577427 is a prime.

It is a super-2 number, since 2×116577431² = 27180594837119522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 116577391 and 116577400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116577421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58288715 + 58288716.

It is an arithmetic number, because the mean of its divisors is an integer number (58288716).

Almost surely, 2^116577431 is an apocalyptic number.

116577431 is a deficient number, since it is larger than the sum of its proper divisors (1).

116577431 is an equidigital number, since it uses as much as digits as its factorization.

116577431 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 116577431 is about 10797.1028984631. The cubic root of 116577431 is about 488.5077899307.

The spelling of 116577431 in words is "one hundred sixteen million, five hundred seventy-seven thousand, four hundred thirty-one".