27577550438755 has 4 divisors (see below), whose sum is σ = 33093060526512. Its totient is φ = 22062040351000.

The previous prime is 27577550438731. The next prime is 27577550438807. The reversal of 27577550438755 is 55783405577572.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-27577550438755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757755043871 + ... + 2757755043880.

It is an arithmetic number, because the mean of its divisors is an integer number (8273265131628).

Almost surely, 2^{27577550438755} is an apocalyptic number.

27577550438755 is a deficient number, since it is larger than the sum of its proper divisors (5515510087757).

27577550438755 is an equidigital number, since it uses as much as digits as its factorization.

27577550438755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515510087756.

The product of its (nonzero) digits is 1440600000, while the sum is 70.

The spelling of 27577550438755 in words is "twenty-seven trillion, five hundred seventy-seven billion, five hundred fifty million, four hundred thirty-eight thousand, seven hundred fifty-five".