4786738668 has 18 divisors (see below), whose sum is σ = 12099811724. Its totient is φ = 1595579544.

The previous prime is 4786738667. The next prime is 4786738711. The reversal of 4786738668 is 8668376874.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (4786738667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66482446 + ... + 66482517.

Almost surely, 2^4786738668 is an apocalyptic number.

It is an amenable number.

4786738668 is an abundant number, since it is smaller than the sum of its proper divisors (7313073056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4786738668 is a wasteful number, since it uses less digits than its factorization.

4786738668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132964973 (or 132964968 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The square root of 4786738668 is about 69186.2606880875. The cubic root of 4786738668 is about 1685.3104199054.

The spelling of 4786738668 in words is "four billion, seven hundred eighty-six million, seven hundred thirty-eight thousand, six hundred sixty-eight".