27912926793 has 16 divisors (see below), whose sum is σ = 38660371200. Its totient is φ = 17892376320.

The previous prime is 27912926761. The next prime is 27912926803. The reversal of 27912926793 is 39762921972.

It is not a de Polignac number, because 27912926793 - 2⁵ = 27912926761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27912926593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644673 + ... + 686606.

It is an arithmetic number, because the mean of its divisors is an integer number (2416273200).

Almost surely, 2^27912926793 is an apocalyptic number.

It is an amenable number.

27912926793 is a deficient number, since it is larger than the sum of its proper divisors (10747444407).

27912926793 is a wasteful number, since it uses less digits than its factorization.

27912926793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331552.

The product of its digits is 5143824, while the sum is 57.

The spelling of 27912926793 in words is "twenty-seven billion, nine hundred twelve million, nine hundred twenty-six thousand, seven hundred ninety-three".