27663600899 has 8 divisors (see below), whose sum is σ = 30381015600. Its totient is φ = 24979943200.

The previous prime is 27663600857. The next prime is 27663600919. The reversal of 27663600899 is 99800636672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27663600899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27663600599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8437532 + ... + 8440809.

It is an arithmetic number, because the mean of its divisors is an integer number (3797626950).

Almost surely, 2^27663600899 is an apocalyptic number.

27663600899 is a deficient number, since it is larger than the sum of its proper divisors (2717414701).

27663600899 is a wasteful number, since it uses less digits than its factorization.

27663600899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16878501.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 27663600899 in words is "twenty-seven billion, six hundred sixty-three million, six hundred thousand, eight hundred ninety-nine".