85995180 has 144 divisors (see below), whose sum is σ = 279508320. Its totient is φ = 21325824.

The previous prime is 85995157. The next prime is 85995181. The reversal of 85995180 is 8159958.

85995180 is a `hidden beast` number, since 8 + 599 + 51 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (85995181) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 480331 + ... + 480509.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030).

Almost surely, 2^85995180 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 85995180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139754160).

85995180 is an abundant number, since it is smaller than the sum of its proper divisors (193513140).

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

85995180 is a wasteful number, since it uses less digits than its factorization.

85995180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 85995180 is about 9273.3586148709. The cubic root of 85995180 is about 441.3922497708.

The spelling of 85995180 in words is "eighty-five million, nine hundred ninety-five thousand, one hundred eighty".