116590997 has 2 divisors, whose sum is σ = 116590998. Its totient is φ = 116590996.

The previous prime is 116590987. The next prime is 116591009. The reversal of 116590997 is 799095611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113401201 + 3189796 = 10649^2 + 1786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116590997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116590927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58295498 + 58295499.

It is an arithmetic number, because the mean of its divisors is an integer number (58295499).

Almost surely, 2^116590997 is an apocalyptic number.

It is an amenable number.

116590997 is a deficient number, since it is larger than the sum of its proper divisors (1).

116590997 is an equidigital number, since it uses as much as digits as its factorization.

116590997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 116590997 is about 10797.7311042645. The cubic root of 116590997 is about 488.5267382514.

The spelling of 116590997 in words is "one hundred sixteen million, five hundred ninety thousand, nine hundred ninety-seven".