85204288 has 28 divisors (see below), whose sum is σ = 182084980. Its totient is φ = 39324672.

The previous prime is 85204277. The next prime is 85204313. The reversal of 85204288 is 88240258.

It can be written as a sum of positive squares in 2 ways, for example, as 58247424 + 26956864 = 7632^2 + 5192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50373 + ... + 52036.

It is an arithmetic number, because the mean of its divisors is an integer number (6503035).

Almost surely, 2^85204288 is an apocalyptic number.

It is an amenable number.

85204288 is an abundant number, since it is smaller than the sum of its proper divisors (96880692).

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

85204288 is a wasteful number, since it uses less digits than its factorization.

85204288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102434 (or 102424 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 85204288 is about 9230.6168807940. The cubic root of 85204288 is about 440.0349283567.

The spelling of 85204288 in words is "eighty-five million, two hundred four thousand, two hundred eighty-eight".