116887657 has 2 divisors, whose sum is σ = 116887658. Its totient is φ = 116887656.

The previous prime is 116887583. The next prime is 116887723. The reversal of 116887657 is 756788611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88755241 + 28132416 = 9421^2 + 5304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116887657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116887657.

It is not a weakly prime, because it can be changed into another prime (116887957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58443828 + 58443829.

It is an arithmetic number, because the mean of its divisors is an integer number (58443829).

Almost surely, 2^116887657 is an apocalyptic number.

It is an amenable number.

116887657 is a deficient number, since it is larger than the sum of its proper divisors (1).

116887657 is an equidigital number, since it uses as much as digits as its factorization.

116887657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 49.

The square root of 116887657 is about 10811.4595221922. The cubic root of 116887657 is about 488.9407313270.

The spelling of 116887657 in words is "one hundred sixteen million, eight hundred eighty-seven thousand, six hundred fifty-seven".