85648087 has 16 divisors (see below), whose sum is σ = 100787200. Its totient is φ = 71267040.

The previous prime is 85648063. The next prime is 85648093. The reversal of 85648087 is 78084658.

It is a cyclic number.

It is not a de Polignac number, because 85648087 - 2¹⁵ = 85615319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85618087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32464 + ... + 35002.

It is an arithmetic number, because the mean of its divisors is an integer number (6299200).

Almost surely, 2^85648087 is an apocalyptic number.

85648087 is a deficient number, since it is larger than the sum of its proper divisors (15139113).

85648087 is a wasteful number, since it uses less digits than its factorization.

85648087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 85648087 is about 9254.6251679903. The cubic root of 85648087 is about 440.7976011559.

The spelling of 85648087 in words is "eighty-five million, six hundred forty-eight thousand, eighty-seven".