279739937972 has 24 divisors (see below), whose sum is σ = 534418167360. Its totient is φ = 127066613760.

The previous prime is 279739937969. The next prime is 279739937999.

279739937972 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 279739937972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133197 + ... + 2260532.

It is an arithmetic number, because the mean of its divisors is an integer number (22267423640).

Almost surely, 2^279739937972 is an apocalyptic number.

279739937972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

279739937972 is a deficient number, since it is larger than the sum of its proper divisors (254678229388).

279739937972 is a wasteful number, since it uses less digits than its factorization.

279739937972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395191 (or 4395189 counting only the distinct ones).

The product of its digits is 567106596, while the sum is 74.

The spelling of 279739937972 in words is "two hundred seventy-nine billion, seven hundred thirty-nine million, nine hundred thirty-seven thousand, nine hundred seventy-two".