8253578612 has 36 divisors (see below), whose sum is σ = 15165881220. Its totient is φ = 3929895552.

The previous prime is 8253578609. The next prime is 8253578623. The reversal of 8253578612 is 2168753528.

It can be written as a sum of positive squares in 2 ways, for example, as 5057485456 + 3196093156 = 71116^2 + 56534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476048 + ... + 493080.

Almost surely, 2^8253578612 is an apocalyptic number.

It is an amenable number.

8253578612 is a deficient number, since it is larger than the sum of its proper divisors (6912302608).

8253578612 is a wasteful number, since it uses less digits than its factorization.

8253578612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17312 (or 17287 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 8253578612 is about 90849.2080978145. The cubic root of 8253578612 is about 2020.9121303003.

The spelling of 8253578612 in words is "eight billion, two hundred fifty-three million, five hundred seventy-eight thousand, six hundred twelve".