384879647658 has 32 divisors (see below), whose sum is σ = 889133734080. Its totient is φ = 109769596160.

The previous prime is 384879647627. The next prime is 384879647723. The reversal of 384879647658 is 856746978483.

384879647658 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 384879647658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171513873 + ... + 171516116.

It is an arithmetic number, because the mean of its divisors is an integer number (27785429190).

Almost surely, 2^384879647658 is an apocalyptic number.

384879647658 is an abundant number, since it is smaller than the sum of its proper divisors (504254086422).

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

384879647658 is a wasteful number, since it uses less digits than its factorization.

384879647658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343030022.

The product of its digits is 1950842880, while the sum is 75.

The spelling of 384879647658 in words is "three hundred eighty-four billion, eight hundred seventy-nine million, six hundred forty-seven thousand, six hundred fifty-eight".