27641423785 has 24 divisors (see below), whose sum is σ = 35504859456. Its totient is φ = 20653351680.

The previous prime is 27641423743. The next prime is 27641423807. The reversal of 27641423785 is 58732414672.

It is not a de Polignac number, because 27641423785 - 2²⁷ = 27507206057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116284 + ... + 262306.

It is an arithmetic number, because the mean of its divisors is an integer number (1479369144).

Almost surely, 2^27641423785 is an apocalyptic number.

It is an amenable number.

27641423785 is a deficient number, since it is larger than the sum of its proper divisors (7863435671).

27641423785 is a wasteful number, since it uses less digits than its factorization.

27641423785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146193 (or 146176 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 27641423785 in words is "twenty-seven billion, six hundred forty-one million, four hundred twenty-three thousand, seven hundred eighty-five".