27541097679 has 16 divisors (see below), whose sum is σ = 36834799232. Its totient is φ = 18304105248.

The previous prime is 27541097657. The next prime is 27541097681. The reversal of 27541097679 is 97679014572.

It is a happy number.

It is not a de Polignac number, because 27541097679 - 2¹² = 27541093583 is a prime.

It is a super-2 number, since 2×27541097679² (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 (27541097579) 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, 5148084 + ... + 5153430.

It is an arithmetic number, because the mean of its divisors is an integer number (2302174952).

Almost surely, 2^27541097679 is an apocalyptic number.

27541097679 is a deficient number, since it is larger than the sum of its proper divisors (9293701553).

27541097679 is a wasteful number, since it uses less digits than its factorization.

27541097679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326.

The product of its (nonzero) digits is 6667920, while the sum is 57.

The spelling of 27541097679 in words is "twenty-seven billion, five hundred forty-one million, ninety-seven thousand, six hundred seventy-nine".