27279504056 has 32 divisors (see below), whose sum is σ = 58782672000. Its totient is φ = 11625897696.

The previous prime is 27279504001. The next prime is 27279504067. The reversal of 27279504056 is 65040597272.

It is a super-2 number, since 2×27279504056² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27279504056.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1350686 + ... + 1370733.

It is an arithmetic number, because the mean of its divisors is an integer number (1836958500).

Almost surely, 2^27279504056 is an apocalyptic number.

It is an amenable number.

27279504056 is an abundant number, since it is smaller than the sum of its proper divisors (31503167944).

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

27279504056 is a wasteful number, since it uses less digits than its factorization.

27279504056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721611 (or 2721607 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 27279504056 in words is "twenty-seven billion, two hundred seventy-nine million, five hundred four thousand, fifty-six".