27787481160 has 64 divisors (see below), whose sum is σ = 86051566080. Its totient is φ = 7170961920.

The previous prime is 27787481153. The next prime is 27787481177. The reversal of 27787481160 is 6118478772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3731157 + ... + 3738596.

It is an arithmetic number, because the mean of its divisors is an integer number (1344555720).

Almost surely, 2^27787481160 is an apocalyptic number.

27787481160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27787481160 is an abundant number, since it is smaller than the sum of its proper divisors (58264084920).

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

27787481160 is a wasteful number, since it uses less digits than its factorization.

27787481160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469798 (or 7469794 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 51.

The spelling of 27787481160 in words is "twenty-seven billion, seven hundred eighty-seven million, four hundred eighty-one thousand, one hundred sixty".