27105795828 has 24 divisors (see below), whose sum is σ = 70274285760. Its totient is φ = 9035265240.

The previous prime is 27105795793. The next prime is 27105795851. The reversal of 27105795828 is 82859750172.

27105795828 is a `hidden beast` number, since 2 + 7 + 1 + 0 + 57 + 9 + 582 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 125489688 + ... + 125489903.

It is an arithmetic number, because the mean of its divisors is an integer number (2928095240).

Almost surely, 2^27105795828 is an apocalyptic number.

It is an amenable number.

27105795828 is an abundant number, since it is smaller than the sum of its proper divisors (43168489932).

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

27105795828 is a wasteful number, since it uses less digits than its factorization.

27105795828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250979604 (or 250979596 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 27105795828 in words is "twenty-seven billion, one hundred five million, seven hundred ninety-five thousand, eight hundred twenty-eight".