8135807775 has 24 divisors (see below), whose sum is σ = 13581809280. Its totient is φ = 4296966240.

The previous prime is 8135807747. The next prime is 8135807777. The reversal of 8135807775 is 5777085318.

It is not a de Polignac number, because 8135807775 - 2¹⁶ = 8135742239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135807777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518865 + ... + 534314.

It is an arithmetic number, because the mean of its divisors is an integer number (565908720).

Almost surely, 2^8135807775 is an apocalyptic number.

8135807775 is a deficient number, since it is larger than the sum of its proper divisors (5446001505).

8135807775 is a wasteful number, since it uses less digits than its factorization.

8135807775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053295 (or 1053290 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 51.

The square root of 8135807775 is about 90198.7127125437. The cubic root of 8135807775 is about 2011.2538710022.

The spelling of 8135807775 in words is "eight billion, one hundred thirty-five million, eight hundred seven thousand, seven hundred seventy-five".