85229320 has 32 divisors (see below), whose sum is σ = 209200320. Its totient is φ = 30992320.

The previous prime is 85229281. The next prime is 85229321. The reversal of 85229320 is 2392258.

It is not an unprimeable number, because it can be changed into a prime (85229321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96412 + ... + 97291.

It is an arithmetic number, because the mean of its divisors is an integer number (6537510).

Almost surely, 2^85229320 is an apocalyptic number.

It is an amenable number.

85229320 is an abundant number, since it is smaller than the sum of its proper divisors (123971000).

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

85229320 is a wasteful number, since it uses less digits than its factorization.

85229320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193725 (or 193721 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 85229320 is about 9231.9727035992. The cubic root of 85229320 is about 440.0780164691.

The spelling of 85229320 in words is "eighty-five million, two hundred twenty-nine thousand, three hundred twenty".