3261572686087 has 2 divisors, whose sum is σ = 3261572686088. Its totient is φ = 3261572686086.

The previous prime is 3261572686049. The next prime is 3261572686219. The reversal of 3261572686087 is 7806862751623.

3261572686087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3261572686087 - 2¹⁵ = 3261572653319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261572686387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630786343043 + 1630786343044.

It is an arithmetic number, because the mean of its divisors is an integer number (1630786343044).

Almost surely, 2^{3261572686087} is an apocalyptic number.

3261572686087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261572686087 is an equidigital number, since it uses as much as digits as its factorization.

3261572686087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 3261572686087 in words is "three trillion, two hundred sixty-one billion, five hundred seventy-two million, six hundred eighty-six thousand, eighty-seven".