27931828734 has 24 divisors (see below), whose sum is σ = 61544709720. Its totient is φ = 9152802288.

The previous prime is 27931828721. The next prime is 27931828753. The reversal of 27931828734 is 43782813972.

27931828734 is a `hidden beast` number, since 279 + 318 + 28 + 7 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13149517 + ... + 13151640.

It is an arithmetic number, because the mean of its divisors is an integer number (2564362905).

Almost surely, 2^27931828734 is an apocalyptic number.

27931828734 is an abundant number, since it is smaller than the sum of its proper divisors (33612880986).

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

27931828734 is a wasteful number, since it uses less digits than its factorization.

27931828734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301224 (or 26301221 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 27931828734 in words is "twenty-seven billion, nine hundred thirty-one million, eight hundred twenty-eight thousand, seven hundred thirty-four".