27823273707 has 4 divisors (see below), whose sum is σ = 37097698280. Its totient is φ = 18548849136.

The previous prime is 27823273679. The next prime is 27823273721. The reversal of 27823273707 is 70737232872.

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

It is not a de Polignac number, because 27823273707 - 2²² = 27819079403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27823274707) 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, 4637212282 + ... + 4637212287.

It is an arithmetic number, because the mean of its divisors is an integer number (9274424570).

Almost surely, 2^27823273707 is an apocalyptic number.

27823273707 is a deficient number, since it is larger than the sum of its proper divisors (9274424573).

27823273707 is an equidigital number, since it uses as much as digits as its factorization.

27823273707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274424572.

The product of its (nonzero) digits is 1382976, while the sum is 48.

The spelling of 27823273707 in words is "twenty-seven billion, eight hundred twenty-three million, two hundred seventy-three thousand, seven hundred seven".