8502066609 has 4 divisors (see below), whose sum is σ = 11336088816. Its totient is φ = 5668044404.

The previous prime is 8502066589. The next prime is 8502066611. The reversal of 8502066609 is 9066602058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8502066609 - 2¹³ = 8502058417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8502066649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417011099 + ... + 1417011104.

It is an arithmetic number, because the mean of its divisors is an integer number (2834022204).

Almost surely, 2^8502066609 is an apocalyptic number.

It is an amenable number.

8502066609 is a deficient number, since it is larger than the sum of its proper divisors (2834022207).

8502066609 is a wasteful number, since it uses less digits than its factorization.

8502066609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834022206.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 8502066609 is about 92206.6516526872. The cubic root of 8502066609 is about 2040.9929333439.

The spelling of 8502066609 in words is "eight billion, five hundred two million, sixty-six thousand, six hundred nine".