27089694720 has 624 divisors, whose sum is σ = 105985511424. Its totient is φ = 6340608000.

The previous prime is 27089694713. The next prime is 27089694721. The reversal of 27089694720 is 2749698072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27089694721) 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, 62852905 + ... + 62853335.

It is an arithmetic number, because the mean of its divisors is an integer number (169848576).

Almost surely, 2^27089694720 is an apocalyptic number.

27089694720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27089694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52992755712).

27089694720 is an abundant number, since it is smaller than the sum of its proper divisors (78895816704).

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

27089694720 is a wasteful number, since it uses less digits than its factorization.

27089694720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 27089694720 in words is "twenty-seven billion, eighty-nine million, six hundred ninety-four thousand, seven hundred twenty".