116927861 has 4 divisors (see below), whose sum is σ = 116952300. Its totient is φ = 116903424.

The previous prime is 116927857. The next prime is 116927891. The reversal of 116927861 is 168729611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27984100 + 88943761 = 5290^2 + 9431^2 .

It is a cyclic number.

It is not a de Polignac number, because 116927861 - 2² = 116927857 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 (116927831) 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, 2426 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (29238075).

Almost surely, 2^116927861 is an apocalyptic number.

It is an amenable number.

116927861 is a deficient number, since it is larger than the sum of its proper divisors (24439).

116927861 is an equidigital number, since it uses as much as digits as its factorization.

116927861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24438.

The product of its digits is 36288, while the sum is 41.

The square root of 116927861 is about 10813.3186857690. The cubic root of 116927861 is about 488.9967826398.

The spelling of 116927861 in words is "one hundred sixteen million, nine hundred twenty-seven thousand, eight hundred sixty-one".