27826622823 has 4 divisors (see below), whose sum is σ = 37102163768. Its totient is φ = 18551081880.

The previous prime is 27826622801. The next prime is 27826622827. The reversal of 27826622823 is 32822662872.

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

It is not a de Polignac number, because 27826622823 - 2¹² = 27826618727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27826622827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637770468 + ... + 4637770473.

It is an arithmetic number, because the mean of its divisors is an integer number (9275540942).

Almost surely, 2^27826622823 is an apocalyptic number.

27826622823 is a deficient number, since it is larger than the sum of its proper divisors (9275540945).

27826622823 is an equidigital number, since it uses as much as digits as its factorization.

27826622823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275540944.

The product of its digits is 1548288, while the sum is 48.

The spelling of 27826622823 in words is "twenty-seven billion, eight hundred twenty-six million, six hundred twenty-two thousand, eight hundred twenty-three".