27773175137 has 4 divisors (see below), whose sum is σ = 27928332720. Its totient is φ = 27618017556.

The previous prime is 27773175049. The next prime is 27773175149. The reversal of 27773175137 is 73157137772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27773175137 - 2⁸ = 27773174881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27773171137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77578523 + ... + 77578880.

It is an arithmetic number, because the mean of its divisors is an integer number (6982083180).

Almost surely, 2^27773175137 is an apocalyptic number.

It is an amenable number.

27773175137 is a deficient number, since it is larger than the sum of its proper divisors (155157583).

27773175137 is a wasteful number, since it uses less digits than its factorization.

27773175137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155157582.

The product of its digits is 1512630, while the sum is 50.

The spelling of 27773175137 in words is "twenty-seven billion, seven hundred seventy-three million, one hundred seventy-five thousand, one hundred thirty-seven".