279345543972 has 48 divisors (see below), whose sum is σ = 712617471552. Its totient is φ = 84464916480.

The previous prime is 279345543947. The next prime is 279345544013.

It is a happy number.

279345543972 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×279345543972³ (a number of 35 digits) contains 333 as substring.

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, 2255053 + ... + 2375700.

It is an arithmetic number, because the mean of its divisors is an integer number (14846197324).

Almost surely, 2^279345543972 is an apocalyptic number.

279345543972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

279345543972 is an abundant number, since it is smaller than the sum of its proper divisors (433271927580).

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

279345543972 is a wasteful number, since it uses less digits than its factorization.

279345543972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631228 (or 4631226 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 60.

The spelling of 279345543972 in words is "two hundred seventy-nine billion, three hundred forty-five million, five hundred forty-three thousand, nine hundred seventy-two".