8195854537 has 4 divisors (see below), whose sum is σ = 8826304900. Its totient is φ = 7565404176.

The previous prime is 8195854519. The next prime is 8195854591. The reversal of 8195854537 is 7354585918.

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 2076078096 + 6119776441 = 45564^2 + 78229^2 .

It is a cyclic number.

It is not a de Polignac number, because 8195854537 - 2¹⁵ = 8195821769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8195854507) 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, 315225162 + ... + 315225187.

It is an arithmetic number, because the mean of its divisors is an integer number (2206576225).

Almost surely, 2^8195854537 is an apocalyptic number.

It is an amenable number.

8195854537 is a deficient number, since it is larger than the sum of its proper divisors (630450363).

8195854537 is a wasteful number, since it uses less digits than its factorization.

8195854537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630450362.

The product of its digits is 6048000, while the sum is 55.

The square root of 8195854537 is about 90530.9589974612. The cubic root of 8195854537 is about 2016.1898029318.

The spelling of 8195854537 in words is "eight billion, one hundred ninety-five million, eight hundred fifty-four thousand, five hundred thirty-seven".