85942812 has 48 divisors (see below), whose sum is σ = 210938112. Its totient is φ = 27181440.

The previous prime is 85942811. The next prime is 85942817. The reversal of 85942812 is 21824958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85942811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34968 + ... + 37344.

It is an arithmetic number, because the mean of its divisors is an integer number (4394544).

Almost surely, 2^85942812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85942812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105469056).

85942812 is an abundant number, since it is smaller than the sum of its proper divisors (124995300).

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

85942812 is a wasteful number, since it uses less digits than its factorization.

85942812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2536 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 85942812 is about 9270.5346124158. The cubic root of 85942812 is about 441.3026341940.

The spelling of 85942812 in words is "eighty-five million, nine hundred forty-two thousand, eight hundred twelve".