8269064885 has 4 divisors (see below), whose sum is σ = 9922877868. Its totient is φ = 6615251904.

The previous prime is 8269064851. The next prime is 8269064933. The reversal of 8269064885 is 5884609628.

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 1115626801 + 7153438084 = 33401^2 + 84578^2 .

It is a cyclic number.

It is not a de Polignac number, because 8269064885 - 2³⁰ = 7195323061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8269064885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826906484 + ... + 826906493.

It is an arithmetic number, because the mean of its divisors is an integer number (2480719467).

Almost surely, 2^8269064885 is an apocalyptic number.

It is an amenable number.

8269064885 is a deficient number, since it is larger than the sum of its proper divisors (1653812983).

8269064885 is a wasteful number, since it uses less digits than its factorization.

8269064885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653812982.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The square root of 8269064885 is about 90934.3987993543. The cubic root of 8269064885 is about 2022.1752932220.

The spelling of 8269064885 in words is "eight billion, two hundred sixty-nine million, sixty-four thousand, eight hundred eighty-five".