27659468673 has 24 divisors (see below), whose sum is σ = 42310753056. Its totient is φ = 17351664000.

The previous prime is 27659468657. The next prime is 27659468699. The reversal of 27659468673 is 37686495672.

It is not a de Polignac number, because 27659468673 - 2⁴ = 27659468657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27659468673.

It is not an unprimeable number, because it can be changed into a prime (27659468653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979198 + ... + 1007048.

It is an arithmetic number, because the mean of its divisors is an integer number (1762948044).

Almost surely, 2^27659468673 is an apocalyptic number.

It is an amenable number.

27659468673 is a deficient number, since it is larger than the sum of its proper divisors (14651284383).

27659468673 is a wasteful number, since it uses less digits than its factorization.

27659468673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34365 (or 34362 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 27659468673 in words is "twenty-seven billion, six hundred fifty-nine million, four hundred sixty-eight thousand, six hundred seventy-three".