85117446 has 32 divisors (see below), whose sum is σ = 190898400. Its totient is φ = 28110240.

The previous prime is 85117433. The next prime is 85117477. The reversal of 85117446 is 64471158.

It is a happy number.

It is a super-2 number, since 2×85117446² = 14489959227125832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85117446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345 + ... + 13116.

It is an arithmetic number, because the mean of its divisors is an integer number (5965575).

Almost surely, 2^85117446 is an apocalyptic number.

85117446 is an abundant number, since it is smaller than the sum of its proper divisors (105780954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85117446 is a wasteful number, since it uses less digits than its factorization.

85117446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581 (or 14575 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 85117446 is about 9225.9116622695. The cubic root of 85117446 is about 439.8853799237.

The spelling of 85117446 in words is "eighty-five million, one hundred seventeen thousand, four hundred forty-six".