8647777412 has 12 divisors (see below), whose sum is σ = 15280539456. Its totient is φ = 4281909000.

The previous prime is 8647777393. The next prime is 8647777421. The reversal of 8647777412 is 2147777468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10494464 + ... + 10495287.

It is an arithmetic number, because the mean of its divisors is an integer number (1273378288).

Almost surely, 2^8647777412 is an apocalyptic number.

It is an amenable number.

8647777412 is a deficient number, since it is larger than the sum of its proper divisors (6632762044).

8647777412 is a wasteful number, since it uses less digits than its factorization.

8647777412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20989858 (or 20989856 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 53.

The square root of 8647777412 is about 92993.4267139350. The cubic root of 8647777412 is about 2052.5866544825.

The spelling of 8647777412 in words is "eight billion, six hundred forty-seven million, seven hundred seventy-seven thousand, four hundred twelve".