116819279 has 4 divisors (see below), whose sum is σ = 120847560. Its totient is φ = 112791000.

The previous prime is 116819273. The next prime is 116819281. The reversal of 116819279 is 972918611.

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

It is a cyclic number.

It is not a de Polignac number, because 116819279 - 2⁸ = 116819023 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 (116819273) 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, 2014097 + ... + 2014154.

It is an arithmetic number, because the mean of its divisors is an integer number (30211890).

Almost surely, 2^116819279 is an apocalyptic number.

116819279 is a deficient number, since it is larger than the sum of its proper divisors (4028281).

116819279 is an equidigital number, since it uses as much as digits as its factorization.

116819279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028280.

The product of its digits is 54432, while the sum is 44.

The square root of 116819279 is about 10808.2967668361. The cubic root of 116819279 is about 488.8453710710.

The spelling of 116819279 in words is "one hundred sixteen million, eight hundred nineteen thousand, two hundred seventy-nine".