27682297009 has 4 divisors (see below), whose sum is σ = 27852127216. Its totient is φ = 27512466804.

The previous prime is 27682296979. The next prime is 27682297039. The reversal of 27682297009 is 90079228672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (27682296979) and next prime (27682297039).

It is a cyclic number.

It is not a de Polignac number, because 27682297009 - 2⁵ = 27682296977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27682297039) 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, 84914859 + ... + 84915184.

It is an arithmetic number, because the mean of its divisors is an integer number (6963031804).

Almost surely, 2^27682297009 is an apocalyptic number.

It is an amenable number.

27682297009 is a deficient number, since it is larger than the sum of its proper divisors (169830207).

27682297009 is a wasteful number, since it uses less digits than its factorization.

27682297009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169830206.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 27682297009 in words is "twenty-seven billion, six hundred eighty-two million, two hundred ninety-seven thousand, nine".