85741687 has 2 divisors, whose sum is σ = 85741688. Its totient is φ = 85741686.

The previous prime is 85741681. The next prime is 85741697. The reversal of 85741687 is 78614758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85741687 - 2¹⁵ = 85708919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85741681) 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, 42870843 + 42870844.

It is an arithmetic number, because the mean of its divisors is an integer number (42870844).

Almost surely, 2^85741687 is an apocalyptic number.

85741687 is a deficient number, since it is larger than the sum of its proper divisors (1).

85741687 is an equidigital number, since it uses as much as digits as its factorization.

85741687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 46.

The square root of 85741687 is about 9259.6807180377. The cubic root of 85741687 is about 440.9581170385.

The spelling of 85741687 in words is "eighty-five million, seven hundred forty-one thousand, six hundred eighty-seven".