27764456604 has 12 divisors (see below), whose sum is σ = 64783732104. Its totient is φ = 9254818864.

The previous prime is 27764456597. The next prime is 27764456609. The reversal of 27764456604 is 40665446772.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27764456609) 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, 1156852347 + ... + 1156852370.

It is an arithmetic number, because the mean of its divisors is an integer number (5398644342).

Almost surely, 2^27764456604 is an apocalyptic number.

It is an amenable number.

27764456604 is an abundant number, since it is smaller than the sum of its proper divisors (37019275500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27764456604 is a wasteful number, since it uses less digits than its factorization.

27764456604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313704724 (or 2313704722 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 27764456604 in words is "twenty-seven billion, seven hundred sixty-four million, four hundred fifty-six thousand, six hundred four".