27474479485 has 4 divisors (see below), whose sum is σ = 32969375388. Its totient is φ = 21979583584.

The previous prime is 27474479479. The next prime is 27474479533. The reversal of 27474479485 is 58497447472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8719450884 + 18755028601 = 93378^2 + 136949^2 .

It is a cyclic number.

It is not a de Polignac number, because 27474479485 - 2²³ = 27466090877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2747447944 + ... + 2747447953.

It is an arithmetic number, because the mean of its divisors is an integer number (8242343847).

Almost surely, 2^27474479485 is an apocalyptic number.

It is an amenable number.

27474479485 is a deficient number, since it is larger than the sum of its proper divisors (5494895903).

27474479485 is an equidigital number, since it uses as much as digits as its factorization.

27474479485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494895902.

The product of its digits is 63221760, while the sum is 61.

The spelling of 27474479485 in words is "twenty-seven billion, four hundred seventy-four million, four hundred seventy-nine thousand, four hundred eighty-five".