279913313 has 8 divisors (see below), whose sum is σ = 296708832. Its totient is φ = 263154496.

The previous prime is 279913297. The next prime is 279913321. The reversal of 279913313 is 313319972.

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 279913313 - 2⁴ = 279913297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279913343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7406 + ... + 24792.

It is an arithmetic number, because the mean of its divisors is an integer number (37088604).

Almost surely, 2^279913313 is an apocalyptic number.

It is an amenable number.

279913313 is a deficient number, since it is larger than the sum of its proper divisors (16795519).

279913313 is a wasteful number, since it uses less digits than its factorization.

279913313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18351.

The product of its digits is 30618, while the sum is 38.

The square root of 279913313 is about 16730.6100606045. The cubic root of 279913313 is about 654.1457410393.

The spelling of 279913313 in words is "two hundred seventy-nine million, nine hundred thirteen thousand, three hundred thirteen".