27795974080660 has 24 divisors (see below), whose sum is σ = 58374108142560. Its totient is φ = 11117901523104.

The previous prime is 27795974080643. The next prime is 27795974080687. The reversal of 27795974080660 is 6608047959772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27795974080660.

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, 30039690 + ... + 30951169.

It is an arithmetic number, because the mean of its divisors is an integer number (2432254505940).

Almost surely, 2^{27795974080660} is an apocalyptic number.

27795974080660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27795974080660 is an abundant number, since it is smaller than the sum of its proper divisors (30578134061900).

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

27795974080660 is a wasteful number, since it uses less digits than its factorization.

27795974080660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61013655 (or 61013653 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 27795974080660 in words is "twenty-seven trillion, seven hundred ninety-five billion, nine hundred seventy-four million, eighty thousand, six hundred sixty".