27775530504 has 80 divisors (see below), whose sum is σ = 77838561900. Its totient is φ = 9253588608.

The previous prime is 27775530491. The next prime is 27775530509. The reversal of 27775530504 is 40503557772.

27775530504 is a `hidden beast` number, since 2 + 77 + 75 + 5 + 3 + 0 + 504 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21199942404 + 6575588100 = 145602^2 + 81090^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27775530504.

It is not an unprimeable number, because it can be changed into a prime (27775530509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1330354 + ... + 1351070.

Almost surely, 2^27775530504 is an apocalyptic number.

27775530504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27775530504 is an abundant number, since it is smaller than the sum of its proper divisors (50063031396).

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

27775530504 is a wasteful number, since it uses less digits than its factorization.

27775530504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804 (or 22791 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 45.

The spelling of 27775530504 in words is "twenty-seven billion, seven hundred seventy-five million, five hundred thirty thousand, five hundred four".