116117857 has 2 divisors, whose sum is σ = 116117858. Its totient is φ = 116117856.

The previous prime is 116117843. The next prime is 116117879. The reversal of 116117857 is 758711611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75272976 + 40844881 = 8676^2 + 6391^2 .

It is a cyclic number.

It is not a de Polignac number, because 116117857 - 2¹¹ = 116115809 is a prime.

It is not a weakly prime, because it can be changed into another prime (116117257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58058928 + 58058929.

It is an arithmetic number, because the mean of its divisors is an integer number (58058929).

Almost surely, 2^116117857 is an apocalyptic number.

It is an amenable number.

116117857 is a deficient number, since it is larger than the sum of its proper divisors (1).

116117857 is an equidigital number, since it uses as much as digits as its factorization.

116117857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 37.

The square root of 116117857 is about 10775.7995991017. The cubic root of 116117857 is about 487.8650093007.

The spelling of 116117857 in words is "one hundred sixteen million, one hundred seventeen thousand, eight hundred fifty-seven".