27823020556 has 24 divisors (see below), whose sum is σ = 52527152160. Its totient is φ = 12846143232.

The previous prime is 27823020541. The next prime is 27823020569. The reversal of 27823020556 is 65502032872.

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, 3856416 + ... + 3863623.

It is an arithmetic number, because the mean of its divisors is an integer number (2188631340).

Almost surely, 2^27823020556 is an apocalyptic number.

It is an amenable number.

27823020556 is a deficient number, since it is larger than the sum of its proper divisors (24704131604).

27823020556 is a wasteful number, since it uses less digits than its factorization.

27823020556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720113 (or 7720111 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 27823020556 in words is "twenty-seven billion, eight hundred twenty-three million, twenty thousand, five hundred fifty-six".