27859366809056 has 48 divisors (see below), whose sum is σ = 56258721398880. Its totient is φ = 13575627578880.

The previous prime is 27859366809019. The next prime is 27859366809073. The reversal of 27859366809056 is 65090866395872.

It is a super-2 number, since 2×27859366809056² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65256116 + ... + 65681651.

It is an arithmetic number, because the mean of its divisors is an integer number (1172056695810).

Almost surely, 2^{27859366809056} is an apocalyptic number.

It is an amenable number.

27859366809056 is an abundant number, since it is smaller than the sum of its proper divisors (28399354589824).

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

27859366809056 is a wasteful number, since it uses less digits than its factorization.

27859366809056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130937947 (or 130937939 counting only the distinct ones).

The product of its (nonzero) digits is 1175731200, while the sum is 74.

The spelling of 27859366809056 in words is "twenty-seven trillion, eight hundred fifty-nine billion, three hundred sixty-six million, eight hundred nine thousand, fifty-six".