279506879480 has 16 divisors (see below), whose sum is σ = 628890478920. Its totient is φ = 111802751776.

The previous prime is 279506879479. The next prime is 279506879497. The reversal of 279506879480 is 84978605972.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3493835954 + ... + 3493836033.

Almost surely, 2^279506879480 is an apocalyptic number.

279506879480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

279506879480 is an abundant number, since it is smaller than the sum of its proper divisors (349383599440).

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

279506879480 is a wasteful number, since it uses less digits than its factorization.

279506879480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987671998 (or 6987671994 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 279506879480 in words is "two hundred seventy-nine billion, five hundred six million, eight hundred seventy-nine thousand, four hundred eighty".