279883226880 has 720 divisors, whose sum is σ = 1026022624704. Its totient is φ = 72831467520.

The previous prime is 279883226863. The next prime is 279883226899. The reversal of 279883226880 is 88622388972.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1420726942 + ... + 1420727138.

Almost surely, 2^279883226880 is an apocalyptic number.

279883226880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 279883226880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513011312352).

279883226880 is an abundant number, since it is smaller than the sum of its proper divisors (746139397824).

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

279883226880 is a wasteful number, since it uses less digits than its factorization.

279883226880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 279883226880 in words is "two hundred seventy-nine billion, eight hundred eighty-three million, two hundred twenty-six thousand, eight hundred eighty".