279043379 has 4 divisors (see below), whose sum is σ = 281603520. Its totient is φ = 276483240.

The previous prime is 279043361. The next prime is 279043393. The reversal of 279043379 is 973340972.

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 279043379 - 2¹² = 279039283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279043339) 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, 1279907 + ... + 1280124.

It is an arithmetic number, because the mean of its divisors is an integer number (70400880).

Almost surely, 2^279043379 is an apocalyptic number.

279043379 is a deficient number, since it is larger than the sum of its proper divisors (2560141).

279043379 is a wasteful number, since it uses less digits than its factorization.

279043379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560140.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 279043379 is about 16704.5915544200. The cubic root of 279043379 is about 653.4673712968.

The spelling of 279043379 in words is "two hundred seventy-nine million, forty-three thousand, three hundred seventy-nine".