279387688942 has 8 divisors (see below), whose sum is σ = 423230855832. Its totient is φ = 138310737000.

The previous prime is 279387688919. The next prime is 279387688949. The reversal of 279387688942 is 249886783972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279387688949) 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, 691553484 + ... + 691553887.

It is an arithmetic number, because the mean of its divisors is an integer number (52903856979).

Almost surely, 2^279387688942 is an apocalyptic number.

279387688942 is a deficient number, since it is larger than the sum of its proper divisors (143843166890).

279387688942 is a wasteful number, since it uses less digits than its factorization.

279387688942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383107474.

The product of its digits is 585252864, while the sum is 73.

The spelling of 279387688942 in words is "two hundred seventy-nine billion, three hundred eighty-seven million, six hundred eighty-eight thousand, nine hundred forty-two".