87600021287 has 2 divisors, whose sum is σ = 87600021288. Its totient is φ = 87600021286.

The previous prime is 87600021239. The next prime is 87600021329. The reversal of 87600021287 is 78212000678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87600021287 - 2¹⁴ = 87600004903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87600029287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43800010643 + 43800010644.

It is an arithmetic number, because the mean of its divisors is an integer number (43800010644).

Almost surely, 2^87600021287 is an apocalyptic number.

87600021287 is a deficient number, since it is larger than the sum of its proper divisors (1).

87600021287 is an equidigital number, since it uses as much as digits as its factorization.

87600021287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 87600021287 in words is "eighty-seven billion, six hundred million, twenty-one thousand, two hundred eighty-seven".