8464212784 has 20 divisors (see below), whose sum is σ = 16708836816. Its totient is φ = 4152254912.

The previous prime is 8464212781. The next prime is 8464212817. The reversal of 8464212784 is 4872124648.

It is not an unprimeable number, because it can be changed into a prime (8464212781) 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, 4989844 + ... + 4991539.

Almost surely, 2^8464212784 is an apocalyptic number.

It is an amenable number.

8464212784 is a deficient number, since it is larger than the sum of its proper divisors (8244624032).

8464212784 is a wasteful number, since it uses less digits than its factorization.

8464212784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981444 (or 9981438 counting only the distinct ones).

The product of its digits is 688128, while the sum is 46.

The square root of 8464212784 is about 92001.1564275145. The cubic root of 8464212784 is about 2037.9593832583.

The spelling of 8464212784 in words is "eight billion, four hundred sixty-four million, two hundred twelve thousand, seven hundred eighty-four".