87568387 has 2 divisors, whose sum is σ = 87568388. Its totient is φ = 87568386.

The previous prime is 87568363. The next prime is 87568417. The reversal of 87568387 is 78386578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87568387 - 2⁷ = 87568259 is a prime.

It is not a weakly prime, because it can be changed into another prime (87569387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43784193 + 43784194.

It is an arithmetic number, because the mean of its divisors is an integer number (43784194).

Almost surely, 2^87568387 is an apocalyptic number.

87568387 is a deficient number, since it is larger than the sum of its proper divisors (1).

87568387 is an equidigital number, since it uses as much as digits as its factorization.

87568387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 52.

The square root of 87568387 is about 9357.7981918825. The cubic root of 87568387 is about 444.0676299735.

The spelling of 87568387 in words is "eighty-seven million, five hundred sixty-eight thousand, three hundred eighty-seven".