85109932 has 24 divisors (see below), whose sum is σ = 153115200. Its totient is φ = 41370240.

The previous prime is 85109929. The next prime is 85109933. The reversal of 85109932 is 23990158.

It is a junction number, because it is equal to n+sod(n) for n = 85109891 and 85109900.

It is not an unprimeable number, because it can be changed into a prime (85109933) 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, 56493 + ... + 57979.

It is an arithmetic number, because the mean of its divisors is an integer number (6379800).

Almost surely, 2^85109932 is an apocalyptic number.

85109932 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85109932 is a deficient number, since it is larger than the sum of its proper divisors (68005268).

85109932 is a wasteful number, since it uses less digits than its factorization.

85109932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 85109932 is about 9225.5044306531. The cubic root of 85109932 is about 439.8724354719.

The spelling of 85109932 in words is "eighty-five million, one hundred nine thousand, nine hundred thirty-two".