85894668 has 72 divisors (see below), whose sum is σ = 237065920. Its totient is φ = 27118800.

The previous prime is 85894667. The next prime is 85894681. The reversal of 85894668 is 86649858.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (85894661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16143 + ... + 20793.

Almost surely, 2^85894668 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 85894668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118532960).

85894668 is an abundant number, since it is smaller than the sum of its proper divisors (151171252).

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

85894668 is a wasteful number, since it uses less digits than its factorization.

85894668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4675 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 85894668 is about 9267.9376346628. The cubic root of 85894668 is about 441.2202148813.

The spelling of 85894668 in words is "eighty-five million, eight hundred ninety-four thousand, six hundred sixty-eight".