27322874874 has 72 divisors (see below), whose sum is σ = 62557103232. Its totient is φ = 8617538160.

The previous prime is 27322874867. The next prime is 27322874879. The reversal of 27322874874 is 47847822372.

27322874874 is a `hidden beast` number, since 273 + 228 + 74 + 87 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27322874874.

It is not an unprimeable number, because it can be changed into a prime (27322874879) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6437397 + ... + 6441639.

It is an arithmetic number, because the mean of its divisors is an integer number (868848656).

Almost surely, 2^27322874874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27322874874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31278551616).

27322874874 is an abundant number, since it is smaller than the sum of its proper divisors (35234228358).

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

27322874874 is a wasteful number, since it uses less digits than its factorization.

27322874874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5258 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 54.

The spelling of 27322874874 in words is "twenty-seven billion, three hundred twenty-two million, eight hundred seventy-four thousand, eight hundred seventy-four".