27922868736 has 360 divisors, whose sum is σ = 89263411776. Its totient is φ = 7733698560.

The previous prime is 27922868707. The next prime is 27922868759. The reversal of 27922868736 is 63786822972.

It is a self number, because there is not a number n which added to its sum of digits gives 27922868736.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 103036281 + ... + 103036551.

Almost surely, 2^27922868736 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 27922868736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44631705888).

27922868736 is an abundant number, since it is smaller than the sum of its proper divisors (61340543040).

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

27922868736 is an equidigital number, since it uses as much as digits as its factorization.

27922868736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 320 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 27922868736 in words is "twenty-seven billion, nine hundred twenty-two million, eight hundred sixty-eight thousand, seven hundred thirty-six".