4374978668 has 12 divisors (see below), whose sum is σ = 7656788832. Its totient is φ = 2187324720.

The previous prime is 4374978661. The next prime is 4374978689. The reversal of 4374978668 is 8668794734.

It is a self number, because there is not a number n which added to its sum of digits gives 4374978668.

It is not an unprimeable number, because it can be changed into a prime (4374978661) 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, 33821 + ... + 99467.

It is an arithmetic number, because the mean of its divisors is an integer number (638065736).

Almost surely, 2^4374978668 is an apocalyptic number.

It is an amenable number.

4374978668 is a deficient number, since it is larger than the sum of its proper divisors (3281810164).

4374978668 is a wasteful number, since it uses less digits than its factorization.

4374978668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82312 (or 82310 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 62.

The square root of 4374978668 is about 66143.6215216554. The cubic root of 4374978668 is about 1635.5304968657.

The spelling of 4374978668 in words is "four billion, three hundred seventy-four million, nine hundred seventy-eight thousand, six hundred sixty-eight".