85399110 has 160 divisors (see below), whose sum is σ = 250905600. Its totient is φ = 20761920.

The previous prime is 85399081. The next prime is 85399121. The reversal of 85399110 is 1199358.

It is a happy number.

85399110 is a `hidden beast` number, since 8 + 539 + 9 + 110 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 477001 + ... + 477179.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 2^85399110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85399110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125452800).

85399110 is an abundant number, since it is smaller than the sum of its proper divisors (165506490).

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

85399110 is a wasteful number, since it uses less digits than its factorization.

85399110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 85399110 is about 9241.1638877362. The cubic root of 85399110 is about 440.3700571376.

The spelling of 85399110 in words is "eighty-five million, three hundred ninety-nine thousand, one hundred ten".