116915579 has 16 divisors (see below), whose sum is σ = 135393120. Its totient is φ = 99778560.

The previous prime is 116915573. The next prime is 116915587. The reversal of 116915579 is 975519611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116915579 is a prime.

It is a super-2 number, since 2×116915579² = 27338505225810482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116915573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125387 + ... + 126315.

It is an arithmetic number, because the mean of its divisors is an integer number (8462070).

Almost surely, 2^116915579 is an apocalyptic number.

116915579 is a deficient number, since it is larger than the sum of its proper divisors (18477541).

116915579 is a wasteful number, since it uses less digits than its factorization.

116915579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its digits is 85050, while the sum is 44.

The square root of 116915579 is about 10812.7507600980. The cubic root of 116915579 is about 488.9796607758.

The spelling of 116915579 in words is "one hundred sixteen million, nine hundred fifteen thousand, five hundred seventy-nine".