3280075887985 has 24 divisors (see below), whose sum is σ = 4269250218744. Its totient is φ = 2418179212800.

The previous prime is 3280075887983. The next prime is 3280075887997. The reversal of 3280075887985 is 5897885700823.

It can be written as a sum of positive squares in 12 ways, for example, as 2027368756449 + 1252707131536 = 1423857^2 + 1119244^2 .

It is not a de Polignac number, because 3280075887985 - 2¹ = 3280075887983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3280075887983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2721562 + ... + 3737251.

It is an arithmetic number, because the mean of its divisors is an integer number (177885425781).

Almost surely, 2^{3280075887985} is an apocalyptic number.

It is an amenable number.

3280075887985 is a deficient number, since it is larger than the sum of its proper divisors (989174330759).

3280075887985 is a wasteful number, since it uses less digits than its factorization.

3280075887985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459445 (or 6459432 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 70.

The spelling of 3280075887985 in words is "three trillion, two hundred eighty billion, seventy-five million, eight hundred eighty-seven thousand, nine hundred eighty-five".