3261866087 has 2 divisors, whose sum is σ = 3261866088. Its totient is φ = 3261866086.

The previous prime is 3261866063. The next prime is 3261866107. The reversal of 3261866087 is 7806681623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3261866087 - 2²² = 3257671783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261866057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630933043 + 1630933044.

It is an arithmetic number, because the mean of its divisors is an integer number (1630933044).

Almost surely, 2^3261866087 is an apocalyptic number.

3261866087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261866087 is an equidigital number, since it uses as much as digits as its factorization.

3261866087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 3261866087 is about 57112.7489007489. The cubic root of 3261866087 is about 1483.0485747140.

The spelling of 3261866087 in words is "three billion, two hundred sixty-one million, eight hundred sixty-six thousand, eighty-seven".