279450379 has 8 divisors (see below), whose sum is σ = 303245712. Its totient is φ = 255983520.

The previous prime is 279450377. The next prime is 279450401. The reversal of 279450379 is 973054972.

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

It is not a de Polignac number, because 279450379 - 2¹ = 279450377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279450371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80344 + ... + 83749.

It is an arithmetic number, because the mean of its divisors is an integer number (37905714).

Almost surely, 2^279450379 is an apocalyptic number.

279450379 is a deficient number, since it is larger than the sum of its proper divisors (23795333).

279450379 is a wasteful number, since it uses less digits than its factorization.

279450379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164237.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 279450379 is about 16716.7693948322. The cubic root of 279450379 is about 653.7849229017.

The spelling of 279450379 in words is "two hundred seventy-nine million, four hundred fifty thousand, three hundred seventy-nine".