85608638 has 8 divisors (see below), whose sum is σ = 132841080. Its totient is φ = 41328280.

The previous prime is 85608613. The next prime is 85608671. The reversal of 85608638 is 83680658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 737948 + ... + 738063.

It is an arithmetic number, because the mean of its divisors is an integer number (16605135).

Almost surely, 2^85608638 is an apocalyptic number.

85608638 is a deficient number, since it is larger than the sum of its proper divisors (47232442).

85608638 is a wasteful number, since it uses less digits than its factorization.

85608638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476042.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 85608638 is about 9252.4936098330. The cubic root of 85608638 is about 440.7299145108.

The spelling of 85608638 in words is "eighty-five million, six hundred eight thousand, six hundred thirty-eight".