85386664 has 16 divisors (see below), whose sum is σ = 174654720. Its totient is φ = 38812080.

The previous prime is 85386661. The next prime is 85386671. The reversal of 85386664 is 46668358.

It is not an unprimeable number, because it can be changed into a prime (85386661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485064 + ... + 485239.

It is an arithmetic number, because the mean of its divisors is an integer number (10915920).

Almost surely, 2^85386664 is an apocalyptic number.

It is an amenable number.

85386664 is an abundant number, since it is smaller than the sum of its proper divisors (89268056).

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

85386664 is a wasteful number, since it uses less digits than its factorization.

85386664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970320 (or 970316 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 85386664 is about 9240.4904631735. The cubic root of 85386664 is about 440.3486630348.

The spelling of 85386664 in words is "eighty-five million, three hundred eighty-six thousand, six hundred sixty-four".