27794494278 has 32 divisors (see below), whose sum is σ = 61771929600. Its totient is φ = 9263873448.

The previous prime is 27794494249. The next prime is 27794494283. The reversal of 27794494278 is 87249449772.

27794494278 is a `hidden beast` number, since 2 + 7 + 79 + 4 + 494 + 2 + 78 = 666.

It is a congruent number.

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, 665703 + ... + 706221.

It is an arithmetic number, because the mean of its divisors is an integer number (1930372800).

Almost surely, 2^27794494278 is an apocalyptic number.

27794494278 is an abundant number, since it is smaller than the sum of its proper divisors (33977435322).

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

27794494278 is a wasteful number, since it uses less digits than its factorization.

27794494278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53233 (or 53227 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 27794494278 in words is "twenty-seven billion, seven hundred ninety-four million, four hundred ninety-four thousand, two hundred seventy-eight".