27755055587 has 32 divisors (see below), whose sum is σ = 33054945792. Its totient is φ = 22811652864.

The previous prime is 27755055583. The next prime is 27755055599. The reversal of 27755055587 is 78555055772.

It is not a de Polignac number, because 27755055587 - 2² = 27755055583 is a prime.

It is a super-2 number, since 2×27755055587² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27755055583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6310073 + ... + 6314469.

It is an arithmetic number, because the mean of its divisors is an integer number (1032967056).

Almost surely, 2^27755055587 is an apocalyptic number.

27755055587 is a deficient number, since it is larger than the sum of its proper divisors (5299890205).

27755055587 is a wasteful number, since it uses less digits than its factorization.

27755055587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827.

The product of its (nonzero) digits is 17150000, while the sum is 56.

The spelling of 27755055587 in words is "twenty-seven billion, seven hundred fifty-five million, fifty-five thousand, five hundred eighty-seven".