85458064 has 40 divisors (see below), whose sum is σ = 173863872. Its totient is φ = 40613760.

The previous prime is 85458053. The next prime is 85458073. The reversal of 85458064 is 46085458.

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, 65967 + ... + 67249.

Almost surely, 2^85458064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85458064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86931936).

85458064 is an abundant number, since it is smaller than the sum of its proper divisors (88405808).

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

85458064 is a wasteful number, since it uses less digits than its factorization.

85458064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 85458064 is about 9244.3530871554. The cubic root of 85458064 is about 440.4713681254.

The spelling of 85458064 in words is "eighty-five million, four hundred fifty-eight thousand, sixty-four".