27820992327 has 12 divisors (see below), whose sum is σ = 38417893800. Its totient is φ = 17907763552.

The previous prime is 27820992319. The next prime is 27820992341. The reversal of 27820992327 is 72329902872.

It is not a de Polignac number, because 27820992327 - 2³ = 27820992319 is a prime.

It is a super-2 number, since 2×27820992327² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27820992327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27820992347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5510952 + ... + 5515997.

It is an arithmetic number, because the mean of its divisors is an integer number (3201491150).

Almost surely, 2^27820992327 is an apocalyptic number.

27820992327 is a deficient number, since it is larger than the sum of its proper divisors (10596901473).

27820992327 is a wasteful number, since it uses less digits than its factorization.

27820992327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027010 (or 11026981 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 27820992327 in words is "twenty-seven billion, eight hundred twenty million, nine hundred ninety-two thousand, three hundred twenty-seven".