27947576346 has 32 divisors (see below), whose sum is σ = 56113077888. Its totient is φ = 9279610560.

The previous prime is 27947576339. The next prime is 27947576357. The reversal of 27947576346 is 64367574972.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27947576346.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624180 + ... + 1641296.

It is an arithmetic number, because the mean of its divisors is an integer number (1753533684).

Almost surely, 2^27947576346 is an apocalyptic number.

27947576346 is an abundant number, since it is smaller than the sum of its proper divisors (28165501542).

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

27947576346 is a wasteful number, since it uses less digits than its factorization.

27947576346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166.

The product of its digits is 53343360, while the sum is 60.

The spelling of 27947576346 in words is "twenty-seven billion, nine hundred forty-seven million, five hundred seventy-six thousand, three hundred forty-six".