116700989 has 2 divisors, whose sum is σ = 116700990. Its totient is φ = 116700988.

The previous prime is 116700979. The next prime is 116701007. The reversal of 116700989 is 989007611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115562500 + 1138489 = 10750^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 116700989 - 2⁴ = 116700973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116700979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58350494 + 58350495.

It is an arithmetic number, because the mean of its divisors is an integer number (58350495).

Almost surely, 2^116700989 is an apocalyptic number.

It is an amenable number.

116700989 is a deficient number, since it is larger than the sum of its proper divisors (1).

116700989 is an equidigital number, since it uses as much as digits as its factorization.

116700989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 116700989 is about 10802.8231958132. The cubic root of 116700989 is about 488.6803154161.

The spelling of 116700989 in words is "one hundred sixteen million, seven hundred thousand, nine hundred eighty-nine".