27765215116 has 12 divisors (see below), whose sum is σ = 51447310488. Its totient is φ = 13065983552.

The previous prime is 27765215089. The next prime is 27765215123. The reversal of 27765215116 is 61151256772.

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, 204155926 + ... + 204156061.

It is an arithmetic number, because the mean of its divisors is an integer number (4287275874).

Almost surely, 2^27765215116 is an apocalyptic number.

It is an amenable number.

27765215116 is a deficient number, since it is larger than the sum of its proper divisors (23682095372).

27765215116 is a wasteful number, since it uses less digits than its factorization.

27765215116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408312008 (or 408312006 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The spelling of 27765215116 in words is "twenty-seven billion, seven hundred sixty-five million, two hundred fifteen thousand, one hundred sixteen".