279285421116 has 24 divisors (see below), whose sum is σ = 701794135504. Its totient is φ = 85933975680.

The previous prime is 279285421067. The next prime is 279285421169. The reversal of 279285421116 is 611124582972.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 895145425 + ... + 895145736.

Almost surely, 2^279285421116 is an apocalyptic number.

279285421116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

279285421116 is an abundant number, since it is smaller than the sum of its proper divisors (422508714388).

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

279285421116 is a wasteful number, since it uses less digits than its factorization.

279285421116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790291181 (or 1790291179 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 279285421116 in words is "two hundred seventy-nine billion, two hundred eighty-five million, four hundred twenty-one thousand, one hundred sixteen".