116957881 has 2 divisors, whose sum is σ = 116957882. Its totient is φ = 116957880.

The previous prime is 116957849. The next prime is 116957887. The reversal of 116957881 is 188759611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92544400 + 24413481 = 9620^2 + 4941^2 .

It is a cyclic number.

It is not a de Polignac number, because 116957881 - 2⁵ = 116957849 is a prime.

It is a super-2 number, since 2×116957881² = 27358291856020322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116957887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58478940 + 58478941.

It is an arithmetic number, because the mean of its divisors is an integer number (58478941).

Almost surely, 2^116957881 is an apocalyptic number.

It is an amenable number.

116957881 is a deficient number, since it is larger than the sum of its proper divisors (1).

116957881 is an equidigital number, since it uses as much as digits as its factorization.

116957881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 46.

The square root of 116957881 is about 10814.7066996752. The cubic root of 116957881 is about 489.0386273213.

The spelling of 116957881 in words is "one hundred sixteen million, nine hundred fifty-seven thousand, eight hundred eighty-one".