116687505 has 16 divisors (see below), whose sum is σ = 203673024. Its totient is φ = 56575680.

The previous prime is 116687497. The next prime is 116687513. The reversal of 116687505 is 505786611.

It is an interprime number because it is at equal distance from previous prime (116687497) and next prime (116687513).

It is not a de Polignac number, because 116687505 - 2³ = 116687497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353434 + ... + 353763.

It is an arithmetic number, because the mean of its divisors is an integer number (12729564).

Almost surely, 2^116687505 is an apocalyptic number.

116687505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116687505 is a deficient number, since it is larger than the sum of its proper divisors (86985519).

116687505 is a wasteful number, since it uses less digits than its factorization.

116687505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707216.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 116687505 is about 10802.1990816685. The cubic root of 116687505 is about 488.6614934700.

The spelling of 116687505 in words is "one hundred sixteen million, six hundred eighty-seven thousand, five hundred five".