27373778080 has 384 divisors, whose sum is σ = 77937914880. Its totient is φ = 8971223040.

The previous prime is 27373778051. The next prime is 27373778093. The reversal of 27373778080 is 8087737372.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87456004 + ... + 87456316.

It is an arithmetic number, because the mean of its divisors is an integer number (202963320).

Almost surely, 2^27373778080 is an apocalyptic number.

27373778080 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 27373778080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38968957440).

27373778080 is an abundant number, since it is smaller than the sum of its proper divisors (50564136800).

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

27373778080 is a wasteful number, since it uses less digits than its factorization.

27373778080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 52.

The spelling of 27373778080 in words is "twenty-seven billion, three hundred seventy-three million, seven hundred seventy-eight thousand, eighty".