27775004000 has 48 divisors (see below), whose sum is σ = 68243194656. Its totient is φ = 11110000000.

The previous prime is 27775003973. The next prime is 27775004017. The reversal of 27775004000 is 40057772.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467876 + ... + 3475875.

It is an arithmetic number, because the mean of its divisors is an integer number (1421733222).

Almost surely, 2^27775004000 is an apocalyptic number.

27775004000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27775004000 is an abundant number, since it is smaller than the sum of its proper divisors (40468190656).

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

27775004000 is an equidigital number, since it uses as much as digits as its factorization.

27775004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943776 (or 6943758 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The spelling of 27775004000 in words is "twenty-seven billion, seven hundred seventy-five million, four thousand".