27422990712 has 192 divisors, whose sum is σ = 85499668800. Its totient is φ = 7873873920.

The previous prime is 27422990657. The next prime is 27422990713. The reversal of 27422990712 is 21709922472.

It is a happy number.

27422990712 is a `hidden beast` number, since 274 + 229 + 90 + 71 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27422990713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 867114 + ... + 898182.

It is an arithmetic number, because the mean of its divisors is an integer number (445310775).

Almost surely, 2^27422990712 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 27422990712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42749834400).

27422990712 is an abundant number, since it is smaller than the sum of its proper divisors (58076678088).

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

27422990712 is a wasteful number, since it uses less digits than its factorization.

27422990712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31158 (or 31151 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 27422990712 in words is "twenty-seven billion, four hundred twenty-two million, nine hundred ninety thousand, seven hundred twelve".