116986999 has 2 divisors, whose sum is σ = 116987000. Its totient is φ = 116986998.

The previous prime is 116986951. The next prime is 116987011. The reversal of 116986999 is 999689611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116986999 - 2¹⁵ = 116954231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116986949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58493499 + 58493500.

It is an arithmetic number, because the mean of its divisors is an integer number (58493500).

Almost surely, 2^116986999 is an apocalyptic number.

116986999 is a deficient number, since it is larger than the sum of its proper divisors (1).

116986999 is an equidigital number, since it uses as much as digits as its factorization.

116986999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 58.

The square root of 116986999 is about 10816.0528382585. The cubic root of 116986999 is about 489.0792078706.

The spelling of 116986999 in words is "one hundred sixteen million, nine hundred eighty-six thousand, nine hundred ninety-nine".