85988872 has 32 divisors (see below), whose sum is σ = 164970720. Its totient is φ = 42007680.

The previous prime is 85988867. The next prime is 85988887. The reversal of 85988872 is 27888958.

It is a super-2 number, since 2×85988872² = 14788172215664768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72847 + ... + 74017.

It is an arithmetic number, because the mean of its divisors is an integer number (5155335).

Almost surely, 2^85988872 is an apocalyptic number.

It is an amenable number.

85988872 is a deficient number, since it is larger than the sum of its proper divisors (78981848).

85988872 is a wasteful number, since it uses less digits than its factorization.

85988872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1377 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The square root of 85988872 is about 9273.0184945356. The cubic root of 85988872 is about 441.3814570326.

The spelling of 85988872 in words is "eighty-five million, nine hundred eighty-eight thousand, eight hundred seventy-two".