27227320634 has 4 divisors (see below), whose sum is σ = 40840980954. Its totient is φ = 13613660316.

The previous prime is 27227320633. The next prime is 27227320661. The reversal of 27227320634 is 43602372272.

27227320634 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 25579204225 + 1648116409 = 159935^2 + 40597^2 .

It is not an unprimeable number, because it can be changed into a prime (27227320633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6806830157 + ... + 6806830160.

Almost surely, 2^27227320634 is an apocalyptic number.

27227320634 is a deficient number, since it is larger than the sum of its proper divisors (13613660320).

27227320634 is a wasteful number, since it uses less digits than its factorization.

27227320634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13613660319.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 27227320634 in words is "twenty-seven billion, two hundred twenty-seven million, three hundred twenty thousand, six hundred thirty-four".