27000673857 has 12 divisors (see below), whose sum is σ = 39126382464. Its totient is φ = 17942568120.

The previous prime is 27000673853. The next prime is 27000673871. The reversal of 27000673857 is 75837600072.

It is not a de Polignac number, because 27000673857 - 2² = 27000673853 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27000673853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4820473 + ... + 4826070.

It is an arithmetic number, because the mean of its divisors is an integer number (3260531872).

Almost surely, 2^27000673857 is an apocalyptic number.

It is an amenable number.

27000673857 is a deficient number, since it is larger than the sum of its proper divisors (12125708607).

27000673857 is a wasteful number, since it uses less digits than its factorization.

27000673857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646860 (or 9646857 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 27000673857 in words is "twenty-seven billion, six hundred seventy-three thousand, eight hundred fifty-seven".