27540907079 has 16 divisors (see below), whose sum is σ = 32646681600. Its totient is φ = 22732272864.

The previous prime is 27540907057. The next prime is 27540907099. The reversal of 27540907079 is 97070904572.

It is not a de Polignac number, because 27540907079 - 2²⁴ = 27524129863 is a prime.

It is a super-2 number, since 2×27540907079² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27540907049) 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, 102047 + ... + 255920.

It is an arithmetic number, because the mean of its divisors is an integer number (2040417600).

Almost surely, 2^27540907079 is an apocalyptic number.

27540907079 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

27540907079 is a deficient number, since it is larger than the sum of its proper divisors (5105774521).

27540907079 is a wasteful number, since it uses less digits than its factorization.

27540907079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358382.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 27540907079 in words is "twenty-seven billion, five hundred forty million, nine hundred seven thousand, seventy-nine".