116207999 has 4 divisors (see below), whose sum is σ = 117336336. Its totient is φ = 115079664.

The previous prime is 116207977. The next prime is 116208011. The reversal of 116207999 is 999702611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116207999 - 2²⁰ = 115159423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116207929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564014 + ... + 564219.

It is an arithmetic number, because the mean of its divisors is an integer number (29334084).

Almost surely, 2^116207999 is an apocalyptic number.

116207999 is a deficient number, since it is larger than the sum of its proper divisors (1128337).

116207999 is a wasteful number, since it uses less digits than its factorization.

116207999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128336.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 116207999 is about 10779.9814007261. The cubic root of 116207999 is about 487.9912194402.

The spelling of 116207999 in words is "one hundred sixteen million, two hundred seven thousand, nine hundred ninety-nine".