85337642 has 16 divisors (see below), whose sum is σ = 138561192. Its totient is φ = 39184320.

The previous prime is 85337599. The next prime is 85337647. The reversal of 85337642 is 24673358.

It can be written as a sum of positive squares in 4 ways, for example, as 79192201 + 6145441 = 8899^2 + 2479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85337596 and 85337605.

It is not an unprimeable number, because it can be changed into a prime (85337647) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3209 + ... + 13452.

Almost surely, 2^85337642 is an apocalyptic number.

85337642 is a deficient number, since it is larger than the sum of its proper divisors (53223550).

85337642 is a wasteful number, since it uses less digits than its factorization.

85337642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16873.

The product of its digits is 120960, while the sum is 38.

The square root of 85337642 is about 9237.8375175146. The cubic root of 85337642 is about 440.2643762403.

The spelling of 85337642 in words is "eighty-five million, three hundred thirty-seven thousand, six hundred forty-two".