27668388705 has 8 divisors (see below), whose sum is σ = 44269421952. Its totient is φ = 14756473968.

The previous prime is 27668388703. The next prime is 27668388707. The reversal of 27668388705 is 50788386672.

It is an interprime number because it is at equal distance from previous prime (27668388703) and next prime (27668388707).

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

It is not a de Polignac number, because 27668388705 - 2¹ = 27668388703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27668388703) 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, 922279609 + ... + 922279638.

It is an arithmetic number, because the mean of its divisors is an integer number (5533677744).

Almost surely, 2^27668388705 is an apocalyptic number.

It is an amenable number.

27668388705 is a deficient number, since it is larger than the sum of its proper divisors (16601033247).

27668388705 is a wasteful number, since it uses less digits than its factorization.

27668388705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844559255.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 27668388705 in words is "twenty-seven billion, six hundred sixty-eight million, three hundred eighty-eight thousand, seven hundred five".