27770004056 has 8 divisors (see below), whose sum is σ = 52068757620. Its totient is φ = 13885002024.

The previous prime is 27770004043. The next prime is 27770004061. The reversal of 27770004056 is 65040007772.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×27770004056² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1735625246 + ... + 1735625261.

Almost surely, 2^27770004056 is an apocalyptic number.

It is an amenable number.

27770004056 is a deficient number, since it is larger than the sum of its proper divisors (24298753564).

27770004056 is a wasteful number, since it uses less digits than its factorization.

27770004056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471250513 (or 3471250509 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 27770004056 in words is "twenty-seven billion, seven hundred seventy million, four thousand, fifty-six".