85291063 has 16 divisors (see below), whose sum is σ = 100548000. Its totient is φ = 71326080.

The previous prime is 85291051. The next prime is 85291079. The reversal of 85291063 is 36019258.

It is a cyclic number.

It is not a de Polignac number, because 85291063 - 2²⁵ = 51736631 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 (85291463) 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 in 15 ways as a sum of consecutive naturals, for example, 49053 + ... + 50761.

It is an arithmetic number, because the mean of its divisors is an integer number (6284250).

Almost surely, 2^85291063 is an apocalyptic number.

85291063 is a deficient number, since it is larger than the sum of its proper divisors (15256937).

85291063 is a wasteful number, since it uses less digits than its factorization.

85291063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 85291063 is about 9235.3160747210. The cubic root of 85291063 is about 440.1842599474.

The spelling of 85291063 in words is "eighty-five million, two hundred ninety-one thousand, sixty-three".