27172423248 has 80 divisors (see below), whose sum is σ = 73610973120. Its totient is φ = 8625318912.

The previous prime is 27172423183. The next prime is 27172423249. The reversal of 27172423248 is 84232427172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27172423249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32086 + ... + 235317.

It is an arithmetic number, because the mean of its divisors is an integer number (920137164).

Almost surely, 2^27172423248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27172423248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36805486560).

27172423248 is an abundant number, since it is smaller than the sum of its proper divisors (46438549872).

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

27172423248 is a wasteful number, since it uses less digits than its factorization.

27172423248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267516 (or 267510 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The spelling of 27172423248 in words is "twenty-seven billion, one hundred seventy-two million, four hundred twenty-three thousand, two hundred forty-eight".