27764007668 has 12 divisors (see below), whose sum is σ = 48589500960. Its totient is φ = 13881293112.

The previous prime is 27764007637. The next prime is 27764007673. The reversal of 27764007668 is 86670046772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84338 + ... + 250281.

It is an arithmetic number, because the mean of its divisors is an integer number (4049125080).

Almost surely, 2^27764007668 is an apocalyptic number.

It is an amenable number.

27764007668 is a deficient number, since it is larger than the sum of its proper divisors (20825493292).

27764007668 is a wasteful number, since it uses less digits than its factorization.

27764007668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355366 (or 355364 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 27764007668 in words is "twenty-seven billion, seven hundred sixty-four million, seven thousand, six hundred sixty-eight".