27822560880 has 160 divisors (see below), whose sum is σ = 90093233664. Its totient is φ = 7089415168.

The previous prime is 27822560873. The next prime is 27822560917. The reversal of 27822560880 is 8806522872.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7047067 + ... + 7051013.

Almost surely, 2^27822560880 is an apocalyptic number.

27822560880 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 27822560880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45046616832).

27822560880 is an abundant number, since it is smaller than the sum of its proper divisors (62270672784).

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

27822560880 is a wasteful number, since it uses less digits than its factorization.

27822560880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 27822560880 in words is "twenty-seven billion, eight hundred twenty-two million, five hundred sixty thousand, eight hundred eighty".