87009566087 has 2 divisors, whose sum is σ = 87009566088. Its totient is φ = 87009566086.

The previous prime is 87009566071. The next prime is 87009566101. The reversal of 87009566087 is 78066590078.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87009566087 - 2⁴ = 87009566071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87009566047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43504783043 + 43504783044.

It is an arithmetic number, because the mean of its divisors is an integer number (43504783044).

Almost surely, 2^87009566087 is an apocalyptic number.

87009566087 is a deficient number, since it is larger than the sum of its proper divisors (1).

87009566087 is an equidigital number, since it uses as much as digits as its factorization.

87009566087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 87009566087 in words is "eighty-seven billion, nine million, five hundred sixty-six thousand, eighty-seven".