279948686948 has 24 divisors (see below), whose sum is σ = 560019798912. Its totient is φ = 119951774784.

The previous prime is 279948686909. The next prime is 279948686959. The reversal of 279948686948 is 849686849972.

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, 962465 + ... + 1219112.

It is an arithmetic number, because the mean of its divisors is an integer number (23334158288).

Almost surely, 2^279948686948 is an apocalyptic number.

279948686948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

279948686948 is an abundant number, since it is smaller than the sum of its proper divisors (280071111964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

279948686948 is a wasteful number, since it uses less digits than its factorization.

279948686948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186171 (or 2186169 counting only the distinct ones).

The product of its digits is 3009871872, while the sum is 80.

The spelling of 279948686948 in words is "two hundred seventy-nine billion, nine hundred forty-eight million, six hundred eighty-six thousand, nine hundred forty-eight".