116957791 has 2 divisors, whose sum is σ = 116957792. Its totient is φ = 116957790.

The previous prime is 116957767. The next prime is 116957809. The reversal of 116957791 is 197759611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116957791 - 2⁷ = 116957663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116954791) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58478895 + 58478896.

It is an arithmetic number, because the mean of its divisors is an integer number (58478896).

Almost surely, 2^116957791 is an apocalyptic number.

116957791 is a deficient number, since it is larger than the sum of its proper divisors (1).

116957791 is an equidigital number, since it uses as much as digits as its factorization.

116957791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 46.

The square root of 116957791 is about 10814.7025386739. The cubic root of 116957791 is about 489.0385018816.

The spelling of 116957791 in words is "one hundred sixteen million, nine hundred fifty-seven thousand, seven hundred ninety-one".