8085912697 has 4 divisors (see below), whose sum is σ = 8304450916. Its totient is φ = 7867374480.

The previous prime is 8085912689. The next prime is 8085912701. The reversal of 8085912697 is 7962195808.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5186736361 + 2899176336 = 72019^2 + 53844^2 .

It is a cyclic number.

It is not a de Polignac number, because 8085912697 - 2³ = 8085912689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8085912607) 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, 109269054 + ... + 109269127.

It is an arithmetic number, because the mean of its divisors is an integer number (2076112729).

Almost surely, 2^8085912697 is an apocalyptic number.

It is an amenable number.

8085912697 is a deficient number, since it is larger than the sum of its proper divisors (218538219).

8085912697 is a wasteful number, since it uses less digits than its factorization.

8085912697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218538218.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 8085912697 is about 89921.7031477941. The cubic root of 8085912697 is about 2007.1339147912.

The spelling of 8085912697 in words is "eight billion, eighty-five million, nine hundred twelve thousand, six hundred ninety-seven".