279912094898 has 18 divisors (see below), whose sum is σ = 431565309693. Its totient is φ = 136159983720.

The previous prime is 279912094897. The next prime is 279912094963. The reversal of 279912094898 is 898490219972.

It can be written as a sum of positive squares in 2 ways, for example, as 225831197089 + 54080897809 = 475217^2 + 232553^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=374107.

It is not an unprimeable number, because it can be changed into a prime (279912094897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27678863 + ... + 27688973.

Almost surely, 2^279912094898 is an apocalyptic number.

279912094898 is a deficient number, since it is larger than the sum of its proper divisors (151653214795).

279912094898 is an frugal number, since it uses more digits than its factorization.

279912094898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20298 (or 10150 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 68.

The spelling of 279912094898 in words is "two hundred seventy-nine billion, nine hundred twelve million, ninety-four thousand, eight hundred ninety-eight".