8685097911 has 20 divisors (see below), whose sum is σ = 14827469712. Its totient is φ = 4962912768.

The previous prime is 8685097879. The next prime is 8685097913. The reversal of 8685097911 is 1197905868.

8685097911 is a `hidden beast` number, since 8 + 68 + 509 + 79 + 1 + 1 = 666.

It is not a de Polignac number, because 8685097911 - 2⁵ = 8685097879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685097913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7658250 + ... + 7659383.

Almost surely, 2^8685097911 is an apocalyptic number.

8685097911 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8685097911 is a deficient number, since it is larger than the sum of its proper divisors (6142371801).

8685097911 is a wasteful number, since it uses less digits than its factorization.

8685097911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317652 (or 15317643 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The square root of 8685097911 is about 93193.8727116756. The cubic root of 8685097911 is about 2055.5351432780.

The spelling of 8685097911 in words is "eight billion, six hundred eighty-five million, ninety-seven thousand, nine hundred eleven".