3281879785 has 16 divisors (see below), whose sum is σ = 4147848000. Its totient is φ = 2485930176.

The previous prime is 3281879723. The next prime is 3281879803. The reversal of 3281879785 is 5879781823.

3281879785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3281879785 - 2¹⁵ = 3281847017 is a prime.

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, 181066 + ... + 198364.

It is an arithmetic number, because the mean of its divisors is an integer number (259240500).

Almost surely, 2^3281879785 is an apocalyptic number.

It is an amenable number.

3281879785 is a deficient number, since it is larger than the sum of its proper divisors (865968215).

3281879785 is a wasteful number, since it uses less digits than its factorization.

3281879785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19320.

The product of its digits is 6773760, while the sum is 58.

The square root of 3281879785 is about 57287.6931373572. The cubic root of 3281879785 is about 1486.0755524046.

The spelling of 3281879785 in words is "three billion, two hundred eighty-one million, eight hundred seventy-nine thousand, seven hundred eighty-five".