8064450686 has 16 divisors (see below), whose sum is σ = 12242067840. Its totient is φ = 3983961240.

The previous prime is 8064450661. The next prime is 8064450721. The reversal of 8064450686 is 6860544608.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8064450686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31391 + ... + 130821.

It is an arithmetic number, because the mean of its divisors is an integer number (765129240).

Almost surely, 2^8064450686 is an apocalyptic number.

8064450686 is a deficient number, since it is larger than the sum of its proper divisors (4177617154).

8064450686 is a wasteful number, since it uses less digits than its factorization.

8064450686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99919.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 8064450686 is about 89802.2866412654. The cubic root of 8064450686 is about 2005.3565314776.

The spelling of 8064450686 in words is "eight billion, sixty-four million, four hundred fifty thousand, six hundred eighty-six".