279485545584972 has 24 divisors (see below), whose sum is σ = 663186040372800. Its totient is φ = 91582834146256.

The previous prime is 279485545584923. The next prime is 279485545584989.

279485545584972 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×279485545584972² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197376797022 + ... + 197376798437.

It is an arithmetic number, because the mean of its divisors is an integer number (27632751682200).

Almost surely, 2^{279485545584972} is an apocalyptic number.

It is an amenable number.

279485545584972 is an abundant number, since it is smaller than the sum of its proper divisors (383700494787828).

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

279485545584972 is a wasteful number, since it uses less digits than its factorization.

279485545584972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394753595525 (or 394753595523 counting only the distinct ones).

The product of its digits is 40642560000, while the sum is 84.

The spelling of 279485545584972 in words is "two hundred seventy-nine trillion, four hundred eighty-five billion, five hundred forty-five million, five hundred eighty-four thousand, nine hundred seventy-two".