27845254872 has 64 divisors (see below), whose sum is σ = 79438437600. Its totient is φ = 9030890880.

The previous prime is 27845254823. The next prime is 27845254883.

It is a happy number.

27845254872 is a `hidden beast` number, since 2 + 7 + 8 + 4 + 525 + 48 + 72 = 666.

27845254872 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 1734079 + ... + 1750062.

Almost surely, 2^27845254872 is an apocalyptic number.

It is an amenable number.

27845254872 is an abundant number, since it is smaller than the sum of its proper divisors (51593182728).

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

27845254872 is a wasteful number, since it uses less digits than its factorization.

27845254872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484193 (or 3484183 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 54.

The spelling of 27845254872 in words is "twenty-seven billion, eight hundred forty-five million, two hundred fifty-four thousand, eight hundred seventy-two".