27728574334 has 4 divisors (see below), whose sum is σ = 41592861504. Its totient is φ = 13864287166.

The previous prime is 27728574329. The next prime is 27728574403. The reversal of 27728574334 is 43347582772.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6932143582 + ... + 6932143585.

It is an arithmetic number, because the mean of its divisors is an integer number (10398215376).

Almost surely, 2^27728574334 is an apocalyptic number.

27728574334 is a deficient number, since it is larger than the sum of its proper divisors (13864287170).

27728574334 is a wasteful number, since it uses less digits than its factorization.

27728574334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864287169.

The product of its digits is 7902720, while the sum is 52.

The spelling of 27728574334 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred seventy-four thousand, three hundred thirty-four".