8685811297 has 4 divisors (see below), whose sum is σ = 9142959280. Its totient is φ = 8228663316.

The previous prime is 8685811271. The next prime is 8685811313. The reversal of 8685811297 is 7921185868.

8685811297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 8685811297 - 2¹⁵ = 8685778529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8685811237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228573963 + ... + 228574000.

It is an arithmetic number, because the mean of its divisors is an integer number (2285739820).

Almost surely, 2^8685811297 is an apocalyptic number.

It is an amenable number.

8685811297 is a deficient number, since it is larger than the sum of its proper divisors (457147983).

8685811297 is a wasteful number, since it uses less digits than its factorization.

8685811297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457147982.

The product of its digits is 1935360, while the sum is 55.

The square root of 8685811297 is about 93197.7000628234. The cubic root of 8685811297 is about 2055.5914216627.

The spelling of 8685811297 in words is "eight billion, six hundred eighty-five million, eight hundred eleven thousand, two hundred ninety-seven".