85238772 has 24 divisors (see below), whose sum is σ = 205749600. Its totient is φ = 27433056.

The previous prime is 85238767. The next prime is 85238779. The reversal of 85238772 is 27783258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85238779) 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 7 ways as a sum of consecutive naturals, for example, 122122 + ... + 122817.

It is an arithmetic number, because the mean of its divisors is an integer number (8572900).

Almost surely, 2^85238772 is an apocalyptic number.

It is an amenable number.

85238772 is an abundant number, since it is smaller than the sum of its proper divisors (120510828).

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

85238772 is a wasteful number, since it uses less digits than its factorization.

85238772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244975 (or 244973 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 85238772 is about 9232.4846059985. The cubic root of 85238772 is about 440.0942842028.

The spelling of 85238772 in words is "eighty-five million, two hundred thirty-eight thousand, seven hundred seventy-two".