85232842 has 4 divisors (see below), whose sum is σ = 127849266. Its totient is φ = 42616420.

The previous prime is 85232839. The next prime is 85232869. The reversal of 85232842 is 24823258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81739681 + 3493161 = 9041^2 + 1869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85232798 and 85232807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21308209 + ... + 21308212.

Almost surely, 2^85232842 is an apocalyptic number.

85232842 is a deficient number, since it is larger than the sum of its proper divisors (42616424).

85232842 is a wasteful number, since it uses less digits than its factorization.

85232842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42616423.

The product of its digits is 30720, while the sum is 34.

The square root of 85232842 is about 9232.1634517593. The cubic root of 85232842 is about 440.0840782853.

The spelling of 85232842 in words is "eighty-five million, two hundred thirty-two thousand, eight hundred forty-two".