118768831 has 2 divisors, whose sum is σ = 118768832. Its totient is φ = 118768830.

The previous prime is 118768807. The next prime is 118768847. The reversal of 118768831 is 138867811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118768831 - 2⁵ = 118768799 is a prime.

It is a super-2 number, since 2×118768831² = 28212070434213122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118768801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59384415 + 59384416.

It is an arithmetic number, because the mean of its divisors is an integer number (59384416).

Almost surely, 2^118768831 is an apocalyptic number.

118768831 is a deficient number, since it is larger than the sum of its proper divisors (1).

118768831 is an equidigital number, since it uses as much as digits as its factorization.

118768831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 43.

The square root of 118768831 is about 10898.1113501377. Note that the first 3 decimals coincide. The cubic root of 118768831 is about 491.5497663025.

The spelling of 118768831 in words is "one hundred eighteen million, seven hundred sixty-eight thousand, eight hundred thirty-one".