2279615979 has 8 divisors (see below), whose sum is σ = 3058848400. Its totient is φ = 1510063776.

The previous prime is 2279615971. The next prime is 2279616011. The reversal of 2279615979 is 9795169722.

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

It is not a de Polignac number, because 2279615979 - 2³ = 2279615971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279615971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419504 + ... + 2420445.

It is an arithmetic number, because the mean of its divisors is an integer number (382356050).

Almost surely, 2^2279615979 is an apocalyptic number.

2279615979 is a deficient number, since it is larger than the sum of its proper divisors (779232421).

2279615979 is a wasteful number, since it uses less digits than its factorization.

2279615979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840109.

The product of its digits is 4286520, while the sum is 57.

The square root of 2279615979 is about 47745.3241584974. The cubic root of 2279615979 is about 1316.0949746760.

The spelling of 2279615979 in words is "two billion, two hundred seventy-nine million, six hundred fifteen thousand, nine hundred seventy-nine".