27216420688 has 40 divisors (see below), whose sum is σ = 53977397408. Its totient is φ = 13286996352.

The previous prime is 27216420551. The next prime is 27216420701. The reversal of 27216420688 is 88602461272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645731 + ... + 2655997.

Almost surely, 2^27216420688 is an apocalyptic number.

It is an amenable number.

27216420688 is a deficient number, since it is larger than the sum of its proper divisors (26760976720).

27216420688 is a wasteful number, since it uses less digits than its factorization.

27216420688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14171 (or 14165 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 27216420688 in words is "twenty-seven billion, two hundred sixteen million, four hundred twenty thousand, six hundred eighty-eight".