27681070079 has 8 divisors (see below), whose sum is σ = 29812906032. Its totient is φ = 25549594560.

The previous prime is 27681070069. The next prime is 27681070121. The reversal of 27681070079 is 97007018672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27681070079 - 2³² = 23386102783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27681070069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81524 + ... + 249014.

It is an arithmetic number, because the mean of its divisors is an integer number (3726613254).

Almost surely, 2^27681070079 is an apocalyptic number.

27681070079 is a deficient number, since it is larger than the sum of its proper divisors (2131835953).

27681070079 is a wasteful number, since it uses less digits than its factorization.

27681070079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180217.

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 27681070079 in words is "twenty-seven billion, six hundred eighty-one million, seventy thousand, seventy-nine".