27728604354 has 16 divisors (see below), whose sum is σ = 60498773280. Its totient is φ = 8402607360.

The previous prime is 27728604221. The next prime is 27728604361. The reversal of 27728604354 is 45340682772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210065119 + ... + 210065250.

It is an arithmetic number, because the mean of its divisors is an integer number (3781173330).

Almost surely, 2^27728604354 is an apocalyptic number.

27728604354 is an abundant number, since it is smaller than the sum of its proper divisors (32770168926).

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

27728604354 is a wasteful number, since it uses less digits than its factorization.

27728604354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420130385.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 27728604354 in words is "twenty-seven billion, seven hundred twenty-eight million, six hundred four thousand, three hundred fifty-four".