27826930139 has 4 divisors (see below), whose sum is σ = 27827372280. Its totient is φ = 27826488000.

The previous prime is 27826930093. The next prime is 27826930181. The reversal of 27826930139 is 93103962872.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27826930139 - 2²⁰ = 27825881563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27826930189) 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, 107069 + ... + 259070.

It is an arithmetic number, because the mean of its divisors is an integer number (6956843070).

Almost surely, 2^27826930139 is an apocalyptic number.

27826930139 is a deficient number, since it is larger than the sum of its proper divisors (442141).

27826930139 is an equidigital number, since it uses as much as digits as its factorization.

27826930139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442140.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 27826930139 in words is "twenty-seven billion, eight hundred twenty-six million, nine hundred thirty thousand, one hundred thirty-nine".