27994482297 has 6 divisors (see below), whose sum is σ = 40436474442. Its totient is φ = 18662988192.

The previous prime is 27994482289. The next prime is 27994482343. The reversal of 27994482297 is 79228449972.

It can be written as a sum of positive squares in only one way, i.e., 18316644921 + 9677837376 = 135339^2 + 98376^2 .

It is not a de Polignac number, because 27994482297 - 2³ = 27994482289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27994482697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1555249008 + ... + 1555249025.

It is an arithmetic number, because the mean of its divisors is an integer number (6739412407).

Almost surely, 2^27994482297 is an apocalyptic number.

It is an amenable number.

27994482297 is a deficient number, since it is larger than the sum of its proper divisors (12441992145).

27994482297 is a wasteful number, since it uses less digits than its factorization.

27994482297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110498039 (or 3110498036 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 27994482297 in words is "twenty-seven billion, nine hundred ninety-four million, four hundred eighty-two thousand, two hundred ninety-seven".