2278979015 has 8 divisors (see below), whose sum is σ = 2740487040. Its totient is φ = 1819375072.

The previous prime is 2278979009. The next prime is 2278979089. The reversal of 2278979015 is 5109798722.

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

It is a cyclic number.

It is not a de Polignac number, because 2278979015 - 2¹⁰ = 2278977991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473384 + ... + 478173.

It is an arithmetic number, because the mean of its divisors is an integer number (342560880).

Almost surely, 2^2278979015 is an apocalyptic number.

2278979015 is a deficient number, since it is larger than the sum of its proper divisors (461508025).

2278979015 is an equidigital number, since it uses as much as digits as its factorization.

2278979015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952041.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 2278979015 is about 47738.6532591777. The cubic root of 2278979015 is about 1315.9723833831.

The spelling of 2278979015 in words is "two billion, two hundred seventy-eight million, nine hundred seventy-nine thousand, fifteen".