3420865087 has 2 divisors, whose sum is σ = 3420865088. Its totient is φ = 3420865086.

The previous prime is 3420865079. The next prime is 3420865109. The reversal of 3420865087 is 7805680243.

It is a weak prime.

It is an emirp because it is prime and its reverse (7805680243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3420865087 - 2³ = 3420865079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420865687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710432543 + 1710432544.

It is an arithmetic number, because the mean of its divisors is an integer number (1710432544).

Almost surely, 2^3420865087 is an apocalyptic number.

3420865087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420865087 is an equidigital number, since it uses as much as digits as its factorization.

3420865087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 3420865087 is about 58488.1619389770. The cubic root of 3420865087 is about 1506.7642782116.

The spelling of 3420865087 in words is "three billion, four hundred twenty million, eight hundred sixty-five thousand, eighty-seven".