3995789067 has 12 divisors (see below), whose sum is σ = 5778441240. Its totient is φ = 2660745888.

The previous prime is 3995789059. The next prime is 3995789069. The reversal of 3995789067 is 7609875993.

It is not a de Polignac number, because 3995789067 - 2³ = 3995789059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3995788995 and 3995789013.

It is not an unprimeable number, because it can be changed into a prime (3995789069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251317 + ... + 266742.

It is an arithmetic number, because the mean of its divisors is an integer number (481536770).

Almost surely, 2^3995789067 is an apocalyptic number.

3995789067 is a deficient number, since it is larger than the sum of its proper divisors (1782652173).

3995789067 is a wasteful number, since it uses less digits than its factorization.

3995789067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518922 (or 518919 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 3995789067 is about 63212.2540889027. The cubic root of 3995789067 is about 1586.8438197606.

The spelling of 3995789067 in words is "three billion, nine hundred ninety-five million, seven hundred eighty-nine thousand, sixty-seven".