116927865 has 12 divisors (see below), whose sum is σ = 202675044. Its totient is φ = 62361504.

The previous prime is 116927857. The next prime is 116927891. The reversal of 116927865 is 568729611.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 95472441 = 4632^2 + 9771^2 .

It is not a de Polignac number, because 116927865 - 2³ = 116927857 is a prime.

It is a super-2 number, since 2×116927865² = 27344251226916450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2598397 = 116927865 / (1 + 1 + 6 + 9 + 2 + 7 + 8 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 116927865.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299154 + ... + 1299243.

It is an arithmetic number, because the mean of its divisors is an integer number (16889587).

Almost surely, 2^116927865 is an apocalyptic number.

116927865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116927865 is a deficient number, since it is larger than the sum of its proper divisors (85747179).

116927865 is a wasteful number, since it uses less digits than its factorization.

116927865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598408 (or 2598405 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 116927865 is about 10813.3188707260. The cubic root of 116927865 is about 488.9967882158.

The spelling of 116927865 in words is "one hundred sixteen million, nine hundred twenty-seven thousand, eight hundred sixty-five".