27750811485 has 16 divisors (see below), whose sum is σ = 44403803136. Its totient is φ = 14799597888.

The previous prime is 27750811481. The next prime is 27750811511. The reversal of 27750811485 is 58411805772.

It is not a de Polignac number, because 27750811485 - 2² = 27750811481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27750811481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298692 + ... + 380418.

It is an arithmetic number, because the mean of its divisors is an integer number (2775237696).

Almost surely, 2^27750811485 is an apocalyptic number.

It is an amenable number.

27750811485 is a deficient number, since it is larger than the sum of its proper divisors (16652991651).

27750811485 is a wasteful number, since it uses less digits than its factorization.

27750811485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104372.

The product of its (nonzero) digits is 627200, while the sum is 48.

The spelling of 27750811485 in words is "twenty-seven billion, seven hundred fifty million, eight hundred eleven thousand, four hundred eighty-five".