27012808734 has 16 divisors (see below), whose sum is σ = 54327438720. Its totient is φ = 8953966040.

The previous prime is 27012808729. The next prime is 27012808747. The reversal of 27012808734 is 43780821072.

It is a congruent number.

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, 12574722 + ... + 12576869.

It is an arithmetic number, because the mean of its divisors is an integer number (3395464920).

Almost surely, 2^27012808734 is an apocalyptic number.

27012808734 is an abundant number, since it is smaller than the sum of its proper divisors (27314629986).

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

27012808734 is a wasteful number, since it uses less digits than its factorization.

27012808734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151775.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 27012808734 in words is "twenty-seven billion, twelve million, eight hundred eight thousand, seven hundred thirty-four".