27621621676 has 12 divisors (see below), whose sum is σ = 52732186920. Its totient is φ = 12555282560.

The previous prime is 27621621647. The next prime is 27621621751. The reversal of 27621621676 is 67612612672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313882021 + ... + 313882108.

It is an arithmetic number, because the mean of its divisors is an integer number (4394348910).

Almost surely, 2^27621621676 is an apocalyptic number.

It is an amenable number.

27621621676 is a deficient number, since it is larger than the sum of its proper divisors (25110565244).

27621621676 is a wasteful number, since it uses less digits than its factorization.

27621621676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627764144 (or 627764142 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The spelling of 27621621676 in words is "twenty-seven billion, six hundred twenty-one million, six hundred twenty-one thousand, six hundred seventy-six".