27423845876 has 18 divisors (see below), whose sum is σ = 55827115218. Its totient is φ = 11753076720.

The previous prime is 27423845863. The next prime is 27423845903. The reversal of 27423845876 is 67854832472.

It can be written as a sum of positive squares in only one way, i.e., 26674728976 + 749116900 = 163324^2 + 27370^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69958595 + ... + 69958986.

It is an arithmetic number, because the mean of its divisors is an integer number (3101506401).

Almost surely, 2^27423845876 is an apocalyptic number.

It is an amenable number.

27423845876 is an abundant number, since it is smaller than the sum of its proper divisors (28403269342).

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

27423845876 is a wasteful number, since it uses less digits than its factorization.

27423845876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139917599 (or 139917590 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 56.

The spelling of 27423845876 in words is "twenty-seven billion, four hundred twenty-three million, eight hundred forty-five thousand, eight hundred seventy-six".