85387188 has 24 divisors (see below), whose sum is σ = 200037600. Its totient is φ = 28348000.

The previous prime is 85387153. The next prime is 85387193. The reversal of 85387188 is 88178358.

It is a congruent number.

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, 11163 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (8334900).

Almost surely, 2^85387188 is an apocalyptic number.

It is an amenable number.

85387188 is an abundant number, since it is smaller than the sum of its proper divisors (114650412).

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

85387188 is a wasteful number, since it uses less digits than its factorization.

85387188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28607 (or 28605 counting only the distinct ones).

The product of its digits is 430080, while the sum is 48.

The square root of 85387188 is about 9240.5188166033. The cubic root of 85387188 is about 440.3495638087.

The spelling of 85387188 in words is "eighty-five million, three hundred eighty-seven thousand, one hundred eighty-eight".