27845725212 has 48 divisors (see below), whose sum is σ = 76439250720. Its totient is φ = 8735913216.

The previous prime is 27845725157. The next prime is 27845725247. The reversal of 27845725212 is 21252754872.

27845725212 is a `hidden beast` number, since 2 + 78 + 4 + 57 + 2 + 521 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7581423 + ... + 7585094.

It is an arithmetic number, because the mean of its divisors is an integer number (1592484390).

Almost surely, 2^27845725212 is an apocalyptic number.

It is an amenable number.

27845725212 is an abundant number, since it is smaller than the sum of its proper divisors (48593525508).

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

27845725212 is a wasteful number, since it uses less digits than its factorization.

27845725212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166547 (or 15166539 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The spelling of 27845725212 in words is "twenty-seven billion, eight hundred forty-five million, seven hundred twenty-five thousand, two hundred twelve".