27755135877 has 32 divisors (see below), whose sum is σ = 43192258560. Its totient is φ = 15524458560.

The previous prime is 27755135873. The next prime is 27755135927. The reversal of 27755135877 is 77853155772.

It is not a de Polignac number, because 27755135877 - 2² = 27755135873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27755135873) 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, 450774 + ... + 508632.

It is an arithmetic number, because the mean of its divisors is an integer number (1349758080).

Almost surely, 2^27755135877 is an apocalyptic number.

It is an amenable number.

27755135877 is a deficient number, since it is larger than the sum of its proper divisors (15437122683).

27755135877 is a wasteful number, since it uses less digits than its factorization.

27755135877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58353.

The product of its digits is 14406000, while the sum is 57.

The spelling of 27755135877 in words is "twenty-seven billion, seven hundred fifty-five million, one hundred thirty-five thousand, eight hundred seventy-seven".