85454664 has 16 divisors (see below), whose sum is σ = 213636720. Its totient is φ = 28484880.

The previous prime is 85454657. The next prime is 85454669. The reversal of 85454664 is 46645458.

It is not an unprimeable number, because it can be changed into a prime (85454669) 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, 1780282 + ... + 1780329.

It is an arithmetic number, because the mean of its divisors is an integer number (13352295).

Almost surely, 2^85454664 is an apocalyptic number.

It is an amenable number.

85454664 is an abundant number, since it is smaller than the sum of its proper divisors (128182056).

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

85454664 is a wasteful number, since it uses less digits than its factorization.

85454664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560620 (or 3560616 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 85454664 is about 9244.1691892782. The cubic root of 85454664 is about 440.4655265760.

The spelling of 85454664 in words is "eighty-five million, four hundred fifty-four thousand, six hundred sixty-four".