8195715873 has 24 divisors (see below), whose sum is σ = 12468042080. Its totient is φ = 5173450560.

The previous prime is 8195715863. The next prime is 8195715877. The reversal of 8195715873 is 3785175918.

It is a happy number.

8195715873 is a `hidden beast` number, since 8 + 1 + 9 + 57 + 1 + 587 + 3 = 666.

It is not a de Polignac number, because 8195715873 - 2⁶ = 8195715809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8195715877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331965 + ... + 355797.

Almost surely, 2^8195715873 is an apocalyptic number.

It is an amenable number.

8195715873 is a deficient number, since it is larger than the sum of its proper divisors (4272326207).

8195715873 is a wasteful number, since it uses less digits than its factorization.

8195715873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25869 (or 25866 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 54.

The square root of 8195715873 is about 90530.1931567585. The cubic root of 8195715873 is about 2016.1784323656.

The spelling of 8195715873 in words is "eight billion, one hundred ninety-five million, seven hundred fifteen thousand, eight hundred seventy-three".