279922599120 has 80 divisors (see below), whose sum is σ = 870962326272. Its totient is φ = 74370562560.

The previous prime is 279922599119. The next prime is 279922599259. The reversal of 279922599120 is 21995229972.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×279922599120² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086887 + ... + 2216966.

Almost surely, 2^279922599120 is an apocalyptic number.

279922599120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

279922599120 is an abundant number, since it is smaller than the sum of its proper divisors (591039727152).

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

279922599120 is a wasteful number, since it uses less digits than its factorization.

279922599120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304140 (or 4304134 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 279922599120 in words is "two hundred seventy-nine billion, nine hundred twenty-two million, five hundred ninety-nine thousand, one hundred twenty".