27316654867 has 4 divisors (see below), whose sum is σ = 28923516936. Its totient is φ = 25709792800.

The previous prime is 27316654861. The next prime is 27316654877. The reversal of 27316654867 is 76845661372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27316654867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27316654861) 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, 803431009 + ... + 803431042.

It is an arithmetic number, because the mean of its divisors is an integer number (7230879234).

Almost surely, 2^27316654867 is an apocalyptic number.

27316654867 is a deficient number, since it is larger than the sum of its proper divisors (1606862069).

27316654867 is a wasteful number, since it uses less digits than its factorization.

27316654867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606862068.

The product of its digits is 10160640, while the sum is 55.

The spelling of 27316654867 in words is "twenty-seven billion, three hundred sixteen million, six hundred fifty-four thousand, eight hundred sixty-seven".