85021002803 has 16 divisors (see below), whose sum is σ = 98541315936. Its totient is φ = 72496919040.

The previous prime is 85021002733. The next prime is 85021002827. The reversal of 85021002803 is 30820012058.

It is a cyclic number.

It is not a de Polignac number, because 85021002803 - 2³⁰ = 83947260979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85021002853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721076 + ... + 830657.

It is an arithmetic number, because the mean of its divisors is an integer number (6158832246).

Almost surely, 2^85021002803 is an apocalyptic number.

85021002803 is a deficient number, since it is larger than the sum of its proper divisors (13520313133).

85021002803 is a wasteful number, since it uses less digits than its factorization.

85021002803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552054.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 85021002803 in words is "eighty-five billion, twenty-one million, two thousand, eight hundred three".