116228279 has 4 divisors (see below), whose sum is σ = 116479776. Its totient is φ = 115976784.

The previous prime is 116228261. The next prime is 116228293. The reversal of 116228279 is 972822611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972822611 = 37 ⋅26292503.

It is a cyclic number.

It is not a de Polignac number, because 116228279 - 2⁸ = 116228023 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 (116228209) 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, 125054 + ... + 125979.

It is an arithmetic number, because the mean of its divisors is an integer number (29119944).

Almost surely, 2^116228279 is an apocalyptic number.

116228279 is a deficient number, since it is larger than the sum of its proper divisors (251497).

116228279 is an equidigital number, since it uses as much as digits as its factorization.

116228279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251496.

The product of its digits is 24192, while the sum is 38.

The square root of 116228279 is about 10780.9219921118. The cubic root of 116228279 is about 488.0196049971.

The spelling of 116228279 in words is "one hundred sixteen million, two hundred twenty-eight thousand, two hundred seventy-nine".