116218277 has 8 divisors (see below), whose sum is σ = 132902016. Its totient is φ = 99554832.

The previous prime is 116218253. The next prime is 116218279. The reversal of 116218277 is 772812611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116218277 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116218279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10328 + ... + 18414.

It is an arithmetic number, because the mean of its divisors is an integer number (16612752).

Almost surely, 2^116218277 is an apocalyptic number.

It is an amenable number.

116218277 is a deficient number, since it is larger than the sum of its proper divisors (16683739).

116218277 is an equidigital number, since it uses as much as digits as its factorization.

116218277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147.

The product of its digits is 9408, while the sum is 35.

The square root of 116218277 is about 10780.4581071493. The cubic root of 116218277 is about 488.0056057875.

The spelling of 116218277 in words is "one hundred sixteen million, two hundred eighteen thousand, two hundred seventy-seven".