27143117736 has 64 divisors (see below), whose sum is σ = 81633446400. Its totient is φ = 7347008448.

The previous prime is 27143117689. The next prime is 27143117753. The reversal of 27143117736 is 63771134172.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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, 4248550 + ... + 4254933.

It is an arithmetic number, because the mean of its divisors is an integer number (1275522600).

Almost surely, 2^27143117736 is an apocalyptic number.

It is an amenable number.

27143117736 is an abundant number, since it is smaller than the sum of its proper divisors (54490328664).

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

27143117736 is a wasteful number, since it uses less digits than its factorization.

27143117736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503518 (or 8503514 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The spelling of 27143117736 in words is "twenty-seven billion, one hundred forty-three million, one hundred seventeen thousand, seven hundred thirty-six".