8506306699 has 16 divisors (see below), whose sum is σ = 9389952000. Its totient is φ = 7641436320.

The previous prime is 8506306693. The next prime is 8506306723. The reversal of 8506306699 is 9966036058.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8506306699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8506306693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445062 + ... + 463780.

It is an arithmetic number, because the mean of its divisors is an integer number (586872000).

Almost surely, 2^8506306699 is an apocalyptic number.

8506306699 is a deficient number, since it is larger than the sum of its proper divisors (883645301).

8506306699 is a wasteful number, since it uses less digits than its factorization.

8506306699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 8506306699 is about 92229.6411084853. The cubic root of 8506306699 is about 2041.3321667681.

The spelling of 8506306699 in words is "eight billion, five hundred six million, three hundred six thousand, six hundred ninety-nine".