27747469394 has 32 divisors (see below), whose sum is σ = 46440864000. Its totient is φ = 12356547840.

The previous prime is 27747469361. The next prime is 27747469417. The reversal of 27747469394 is 49396474772.

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, 564932 + ... + 612080.

It is an arithmetic number, because the mean of its divisors is an integer number (1451277000).

Almost surely, 2^27747469394 is an apocalyptic number.

27747469394 is a deficient number, since it is larger than the sum of its proper divisors (18693394606).

27747469394 is a wasteful number, since it uses less digits than its factorization.

27747469394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48098.

The product of its digits is 64012032, while the sum is 62.

The spelling of 27747469394 in words is "twenty-seven billion, seven hundred forty-seven million, four hundred sixty-nine thousand, three hundred ninety-four".