85229872 has 40 divisors (see below), whose sum is σ = 203243936. Its totient is φ = 33716736.

The previous prime is 85229867. The next prime is 85229897. The reversal of 85229872 is 27892258.

It is a super-2 number, since 2×85229872² = 14528262162272768, which contains 22 as substring.

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, 27813 + ... + 30724.

Almost surely, 2^85229872 is an apocalyptic number.

It is an amenable number.

85229872 is an abundant number, since it is smaller than the sum of its proper divisors (118014064).

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

85229872 is a wasteful number, since it uses less digits than its factorization.

85229872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58565 (or 58559 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 85229872 is about 9232.0025996530. The cubic root of 85229872 is about 440.0789665433.

The spelling of 85229872 in words is "eighty-five million, two hundred twenty-nine thousand, eight hundred seventy-two".