8123854697 has 6 divisors (see below), whose sum is σ = 9450198378. Its totient is φ = 6963303984.

The previous prime is 8123854667. The next prime is 8123854703. The reversal of 8123854697 is 7964583218.

It can be written as a sum of positive squares in only one way, i.e., 4122153616 + 4001701081 = 64204^2 + 63259^2 .

It is not a de Polignac number, because 8123854697 - 2¹⁴ = 8123838313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8123854667) 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 5 ways as a sum of consecutive naturals, for example, 82896428 + ... + 82896525.

It is an arithmetic number, because the mean of its divisors is an integer number (1575033063).

Almost surely, 2^8123854697 is an apocalyptic number.

It is an amenable number.

8123854697 is a deficient number, since it is larger than the sum of its proper divisors (1326343681).

8123854697 is a wasteful number, since it uses less digits than its factorization.

8123854697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165792967 (or 165792960 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 8123854697 is about 90132.4286647153. The cubic root of 8123854697 is about 2010.2684143579.

The spelling of 8123854697 in words is "eight billion, one hundred twenty-three million, eight hundred fifty-four thousand, six hundred ninety-seven".