27127861079 has 24 divisors (see below), whose sum is σ = 30095969904. Its totient is φ = 24432636800.

The previous prime is 27127861073. The next prime is 27127861093. The reversal of 27127861079 is 97016872172.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-27127861079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27127861073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13583309 + ... + 13585305.

It is an arithmetic number, because the mean of its divisors is an integer number (1253998746).

Almost surely, 2^27127861079 is an apocalyptic number.

27127861079 is a deficient number, since it is larger than the sum of its proper divisors (2968108825).

27127861079 is a wasteful number, since it uses less digits than its factorization.

27127861079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 27127861079 in words is "twenty-seven billion, one hundred twenty-seven million, eight hundred sixty-one thousand, seventy-nine".