3864200780 has 24 divisors (see below), whose sum is σ = 8852533200. Its totient is φ = 1405163840.

The previous prime is 3864200689. The next prime is 3864200801. The reversal of 3864200780 is 870024683.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8782055 + ... + 8782494.

It is an arithmetic number, because the mean of its divisors is an integer number (368855550).

Almost surely, 2^3864200780 is an apocalyptic number.

It is an amenable number.

3864200780 is an abundant number, since it is smaller than the sum of its proper divisors (4988332420).

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

3864200780 is a wasteful number, since it uses less digits than its factorization.

3864200780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564569 (or 17564567 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 3864200780 is about 62162.6960483536. The cubic root of 3864200780 is about 1569.2298520325.

The spelling of 3864200780 in words is "three billion, eight hundred sixty-four million, two hundred thousand, seven hundred eighty".