8259853812 has 48 divisors (see below), whose sum is σ = 23185559040. Its totient is φ = 2235749472.

The previous prime is 8259853787. The next prime is 8259853843. The reversal of 8259853812 is 2183589528.

It is a super-2 number, since 2×8259853812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586078 + ... + 2589269.

It is an arithmetic number, because the mean of its divisors is an integer number (483032480).

Almost surely, 2^8259853812 is an apocalyptic number.

It is an amenable number.

8259853812 is an abundant number, since it is smaller than the sum of its proper divisors (14925705228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8259853812 is a wasteful number, since it uses less digits than its factorization.

8259853812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175380 (or 5175378 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 8259853812 is about 90883.7378852785. The cubic root of 8259853812 is about 2021.4241673937.

The spelling of 8259853812 in words is "eight billion, two hundred fifty-nine million, eight hundred fifty-three thousand, eight hundred twelve".