27800580505575 has 12 divisors (see below), whose sum is σ = 45963626436008. Its totient is φ = 14826976269600.

The previous prime is 27800580505553. The next prime is 27800580505589. The reversal of 27800580505575 is 57550508500872.

It is not a de Polignac number, because 27800580505575 - 2⁷ = 27800580505447 is a prime.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185337203296 + ... + 185337203445.

Almost surely, 2^{27800580505575} is an apocalyptic number.

27800580505575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27800580505575 is a deficient number, since it is larger than the sum of its proper divisors (18163045930433).

27800580505575 is a wasteful number, since it uses less digits than its factorization.

27800580505575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370674406754 (or 370674406749 counting only the distinct ones).

The product of its (nonzero) digits is 19600000, while the sum is 57.

The spelling of 27800580505575 in words is "twenty-seven trillion, eight hundred billion, five hundred eighty million, five hundred five thousand, five hundred seventy-five".