8000646004 has 12 divisors (see below), whose sum is σ = 15078140644. Its totient is φ = 3692605824.

The previous prime is 8000645999. The next prime is 8000646037. The reversal of 8000646004 is 4006460008.

It can be written as a sum of positive squares in 2 ways, for example, as 1002988900 + 6997657104 = 31670^2 + 83652^2 .

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 3 ways as a sum of consecutive naturals, for example, 76929237 + ... + 76929340.

Almost surely, 2^8000646004 is an apocalyptic number.

It is an amenable number.

8000646004 is a deficient number, since it is larger than the sum of its proper divisors (7077494640).

8000646004 is a wasteful number, since it uses less digits than its factorization.

8000646004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153858594 (or 153858592 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8000646004 is about 89446.3302992359. The cubic root of 8000646004 is about 2000.0538322177.

The spelling of 8000646004 in words is "eight billion, six hundred forty-six thousand, four".