27320777684 has 12 divisors (see below), whose sum is σ = 47876593044. Its totient is φ = 13641751104.

The previous prime is 27320777683. The next prime is 27320777713. The reversal of 27320777684 is 48677702372.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23324009284 + 3996768400 = 152722^2 + 63220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27320777681) 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, 4656137 + ... + 4662000.

It is an arithmetic number, because the mean of its divisors is an integer number (3989716087).

Almost surely, 2^27320777684 is an apocalyptic number.

It is an amenable number.

27320777684 is a deficient number, since it is larger than the sum of its proper divisors (20555815360).

27320777684 is a wasteful number, since it uses less digits than its factorization.

27320777684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9318874 (or 9318872 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 53.

The spelling of 27320777684 in words is "twenty-seven billion, three hundred twenty million, seven hundred seventy-seven thousand, six hundred eighty-four".