27679442461 has 16 divisors (see below), whose sum is σ = 30278400768. Its totient is φ = 25094361600.

The previous prime is 27679442447. The next prime is 27679442507. The reversal of 27679442461 is 16424497672.

It is not a de Polignac number, because 27679442461 - 2⁷ = 27679442333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27679442399 and 27679442408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27679442261) 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, 8353141 + ... + 8356453.

It is an arithmetic number, because the mean of its divisors is an integer number (1892400048).

Almost surely, 2^27679442461 is an apocalyptic number.

It is an amenable number.

27679442461 is a deficient number, since it is larger than the sum of its proper divisors (2598958307).

27679442461 is a wasteful number, since it uses less digits than its factorization.

27679442461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172.

The product of its digits is 4064256, while the sum is 52.

The spelling of 27679442461 in words is "twenty-seven billion, six hundred seventy-nine million, four hundred forty-two thousand, four hundred sixty-one".