280879615572 has 12 divisors (see below), whose sum is σ = 655385769696. Its totient is φ = 93626538520.

The previous prime is 280879615561. The next prime is 280879615579. The reversal of 280879615572 is 275516978082.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280879615579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11703317304 + ... + 11703317327.

It is an arithmetic number, because the mean of its divisors is an integer number (54615480808).

Almost surely, 2^280879615572 is an apocalyptic number.

It is an amenable number.

280879615572 is an abundant number, since it is smaller than the sum of its proper divisors (374506154124).

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

280879615572 is a wasteful number, since it uses less digits than its factorization.

280879615572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23406634638 (or 23406634636 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 280879615572 in words is "two hundred eighty billion, eight hundred seventy-nine million, six hundred fifteen thousand, five hundred seventy-two".