85488018 has 128 divisors (see below), whose sum is σ = 226492416. Its totient is φ = 20865600.

The previous prime is 85487977. The next prime is 85488061. The reversal of 85488018 is 81088458.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673071 + ... + 673197.

It is an arithmetic number, because the mean of its divisors is an integer number (1769472).

Almost surely, 2^85488018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85488018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113246208).

85488018 is an abundant number, since it is smaller than the sum of its proper divisors (141004398).

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

85488018 is a wasteful number, since it uses less digits than its factorization.

85488018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 85488018 is about 9245.9730693962. The cubic root of 85488018 is about 440.5228254816.

The spelling of 85488018 in words is "eighty-five million, four hundred eighty-eight thousand, eighteen".