85120842 has 16 divisors (see below), whose sum is σ = 170356032. Its totient is φ = 28354560.

The previous prime is 85120837. The next prime is 85120843. The reversal of 85120842 is 24802158.

It is not an unprimeable number, because it can be changed into a prime (85120843) 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, 7242 + ... + 14922.

It is an arithmetic number, because the mean of its divisors is an integer number (10647252).

Almost surely, 2^85120842 is an apocalyptic number.

85120842 is an abundant number, since it is smaller than the sum of its proper divisors (85235190).

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

85120842 is a wasteful number, since it uses less digits than its factorization.

85120842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 85120842 is about 9226.0957072859. The cubic root of 85120842 is about 439.8912300008.

The spelling of 85120842 in words is "eighty-five million, one hundred twenty thousand, eight hundred forty-two".