27845454872 has 32 divisors (see below), whose sum is σ = 52785976320. Its totient is φ = 13769628960.

The previous prime is 27845454863. The next prime is 27845454877.

27845454872 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27845454877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492797 + ... + 546387.

It is an arithmetic number, because the mean of its divisors is an integer number (1649561760).

Almost surely, 2^27845454872 is an apocalyptic number.

It is an amenable number.

27845454872 is a deficient number, since it is larger than the sum of its proper divisors (24940521448).

27845454872 is a wasteful number, since it uses less digits than its factorization.

27845454872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54311 (or 54307 counting only the distinct ones).

The product of its digits is 20070400, while the sum is 56.

The spelling of 27845454872 in words is "twenty-seven billion, eight hundred forty-five million, four hundred fifty-four thousand, eight hundred seventy-two".