4897786664 has 32 divisors (see below), whose sum is σ = 9324603840. Its totient is φ = 2411337600.

The previous prime is 4897786661. The next prime is 4897786703. The reversal of 4897786664 is 4666877984.

It is a self number, because there is not a number n which added to its sum of digits gives 4897786664.

It is not an unprimeable number, because it can be changed into a prime (4897786661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361859 + ... + 375149.

It is an arithmetic number, because the mean of its divisors is an integer number (291393870).

Almost surely, 2^4897786664 is an apocalyptic number.

It is an amenable number.

4897786664 is a deficient number, since it is larger than the sum of its proper divisors (4426817176).

4897786664 is a wasteful number, since it uses less digits than its factorization.

4897786664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001 (or 13997 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 65.

The square root of 4897786664 is about 69984.1886714421. The cubic root of 4897786664 is about 1698.2434756624.

The spelling of 4897786664 in words is "four billion, eight hundred ninety-seven million, seven hundred eighty-six thousand, six hundred sixty-four".