85171751903 has 8 divisors (see below), whose sum is σ = 97342080000. Its totient is φ = 73002157560.

The previous prime is 85171751857. The next prime is 85171751909. The reversal of 85171751903 is 30915717158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85171751903 - 2⁸ = 85171751647 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 (85171751909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93098 + ... + 423096.

It is an arithmetic number, because the mean of its divisors is an integer number (12167760000).

Almost surely, 2^85171751903 is an apocalyptic number.

85171751903 is a deficient number, since it is larger than the sum of its proper divisors (12170328097).

85171751903 is a wasteful number, since it uses less digits than its factorization.

85171751903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366877.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 85171751903 in words is "eighty-five billion, one hundred seventy-one million, seven hundred fifty-one thousand, nine hundred three".