85029001172 has 24 divisors (see below), whose sum is σ = 159200123040. Its totient is φ = 39616616160.

The previous prime is 85029001159. The next prime is 85029001223. The reversal of 85029001172 is 27110092058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9165878 + ... + 9175149.

It is an arithmetic number, because the mean of its divisors is an integer number (6633338460).

Almost surely, 2^85029001172 is an apocalyptic number.

It is an amenable number.

85029001172 is a deficient number, since it is larger than the sum of its proper divisors (74171121868).

85029001172 is a wasteful number, since it uses less digits than its factorization.

85029001172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341111 (or 18341109 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 85029001172 in words is "eighty-five billion, twenty-nine million, one thousand, one hundred seventy-two".