3280709261287 has 2 divisors, whose sum is σ = 3280709261288. Its totient is φ = 3280709261286.

The previous prime is 3280709261161. The next prime is 3280709261299. The reversal of 3280709261287 is 7821629070823.

It is a happy number.

3280709261287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7821629070823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3280709261287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3280709261387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640354630643 + 1640354630644.

It is an arithmetic number, because the mean of its divisors is an integer number (1640354630644).

Almost surely, 2^{3280709261287} is an apocalyptic number.

3280709261287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3280709261287 is an equidigital number, since it uses as much as digits as its factorization.

3280709261287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 3280709261287 in words is "three trillion, two hundred eighty billion, seven hundred nine million, two hundred sixty-one thousand, two hundred eighty-seven".