279889988972 has 24 divisors (see below), whose sum is σ = 534349723152. Its totient is φ = 127219320000.

The previous prime is 279889988947. The next prime is 279889988981.

279889988972 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384738 + ... + 2499350.

It is an arithmetic number, because the mean of its divisors is an integer number (22264571798).

Almost surely, 2^279889988972 is an apocalyptic number.

279889988972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

279889988972 is a deficient number, since it is larger than the sum of its proper divisors (254459734180).

279889988972 is a wasteful number, since it uses less digits than its factorization.

279889988972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170129 (or 170127 counting only the distinct ones).

The product of its digits is 5267275776, while the sum is 86.

The spelling of 279889988972 in words is "two hundred seventy-nine billion, eight hundred eighty-nine million, nine hundred eighty-eight thousand, nine hundred seventy-two".