27806225623 has 16 divisors (see below), whose sum is σ = 30510086400. Its totient is φ = 25131902400.

The previous prime is 27806225597. The next prime is 27806225639. The reversal of 27806225623 is 32652260872.

It is not a de Polignac number, because 27806225623 - 2⁵ = 27806225591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27806225623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27806225653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3347211 + ... + 3355507.

It is an arithmetic number, because the mean of its divisors is an integer number (1906880400).

Almost surely, 2^27806225623 is an apocalyptic number.

27806225623 is a deficient number, since it is larger than the sum of its proper divisors (2703860777).

27806225623 is a wasteful number, since it uses less digits than its factorization.

27806225623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 27806225623 in words is "twenty-seven billion, eight hundred six million, two hundred twenty-five thousand, six hundred twenty-three".