85305003073 has 4 divisors (see below), whose sum is σ = 85307015088. Its totient is φ = 85302991060.

The previous prime is 85305003023. The next prime is 85305003143. The reversal of 85305003073 is 37030050358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85305003073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85305003023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941011 + ... + 1027672.

It is an arithmetic number, because the mean of its divisors is an integer number (21326753772).

Almost surely, 2^85305003073 is an apocalyptic number.

It is an amenable number.

85305003073 is a deficient number, since it is larger than the sum of its proper divisors (2012015).

85305003073 is a wasteful number, since it uses less digits than its factorization.

85305003073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012014.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 85305003073 in words is "eighty-five billion, three hundred five million, three thousand, seventy-three".