8067564825 has 36 divisors (see below), whose sum is σ = 14077389168. Its totient is φ = 4076229600.

The previous prime is 8067564809. The next prime is 8067564859. The reversal of 8067564825 is 5284657608.

It is a happy number.

It is not a de Polignac number, because 8067564825 - 2⁴ = 8067564809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121911 + ... + 176060.

It is an arithmetic number, because the mean of its divisors is an integer number (391038588).

Almost surely, 2^8067564825 is an apocalyptic number.

It is an amenable number.

8067564825 is a deficient number, since it is larger than the sum of its proper divisors (6009824343).

8067564825 is a wasteful number, since it uses less digits than its factorization.

8067564825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298022 (or 297998 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 8067564825 is about 89819.6238302076. The cubic root of 8067564825 is about 2005.6146253249.

The spelling of 8067564825 in words is "eight billion, sixty-seven million, five hundred sixty-four thousand, eight hundred twenty-five".