85470188 has 6 divisors (see below), whose sum is σ = 149572836. Its totient is φ = 42735092.

The previous prime is 85470181. The next prime is 85470239. The reversal of 85470188 is 88107458.

It is not an unprimeable number, because it can be changed into a prime (85470181) 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 as a sum of consecutive naturals, namely, 10683770 + ... + 10683777.

It is an arithmetic number, because the mean of its divisors is an integer number (24928806).

Almost surely, 2^85470188 is an apocalyptic number.

It is an amenable number.

85470188 is a deficient number, since it is larger than the sum of its proper divisors (64102648).

85470188 is a wasteful number, since it uses less digits than its factorization.

85470188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367551 (or 21367549 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 85470188 is about 9245.0088155718. The cubic root of 85470188 is about 440.4921971422.

It can be divided in two parts, 85470 and 188, that added together give a palindrome (85658).

The spelling of 85470188 in words is "eighty-five million, four hundred seventy thousand, one hundred eighty-eight".