8064333505 has 4 divisors (see below), whose sum is σ = 9677200212. Its totient is φ = 6451466800.

The previous prime is 8064333493. The next prime is 8064333517. The reversal of 8064333505 is 5053334608.

It is a happy number.

8064333505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8064333493) and next prime (8064333517).

It can be written as a sum of positive squares in 2 ways, for example, as 4575304881 + 3489028624 = 67641^2 + 59068^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8064333505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806433346 + ... + 806433355.

It is an arithmetic number, because the mean of its divisors is an integer number (2419300053).

Almost surely, 2^8064333505 is an apocalyptic number.

It is an amenable number.

8064333505 is a deficient number, since it is larger than the sum of its proper divisors (1612866707).

8064333505 is a wasteful number, since it uses less digits than its factorization.

8064333505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612866706.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 8064333505 is about 89801.6342000523. The cubic root of 8064333505 is about 2005.3468184448.

The spelling of 8064333505 in words is "eight billion, sixty-four million, three hundred thirty-three thousand, five hundred five".