87285307 has 2 divisors, whose sum is σ = 87285308. Its totient is φ = 87285306.

The previous prime is 87285301. The next prime is 87285343. The reversal of 87285307 is 70358278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87285307 - 2¹⁹ = 86761019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87285307.

It is not a weakly prime, because it can be changed into another prime (87285301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43642653 + 43642654.

It is an arithmetic number, because the mean of its divisors is an integer number (43642654).

Almost surely, 2^87285307 is an apocalyptic number.

87285307 is a deficient number, since it is larger than the sum of its proper divisors (1).

87285307 is an equidigital number, since it uses as much as digits as its factorization.

87285307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 87285307 is about 9342.6605953551. The cubic root of 87285307 is about 443.5886048786.

The spelling of 87285307 in words is "eighty-seven million, two hundred eighty-five thousand, three hundred seven".