27609421867692 has 48 divisors (see below), whose sum is σ = 77956014689280. Its totient is φ = 7424382350592.

The previous prime is 27609421867589. The next prime is 27609421867693. The reversal of 27609421867692 is 29676812490672.

It is not an unprimeable number, because it can be changed into a prime (27609421867693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9667163092 + ... + 9667165947.

It is an arithmetic number, because the mean of its divisors is an integer number (1624083639360).

Almost surely, 2^{27609421867692} is an apocalyptic number.

It is an amenable number.

27609421867692 is an abundant number, since it is smaller than the sum of its proper divisors (50346592821588).

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

27609421867692 is a wasteful number, since it uses less digits than its factorization.

27609421867692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19334329070 (or 19334329068 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 69.

The spelling of 27609421867692 in words is "twenty-seven trillion, six hundred nine billion, four hundred twenty-one million, eight hundred sixty-seven thousand, six hundred ninety-two".