85628479 has 8 divisors (see below), whose sum is σ = 89712128. Its totient is φ = 81627480.

The previous prime is 85628467. The next prime is 85628513. The reversal of 85628479 is 97482658.

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

It is a cyclic number.

It is not a de Polignac number, because 85628479 - 2⁵ = 85628447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85628419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18537 + ... + 22690.

It is an arithmetic number, because the mean of its divisors is an integer number (11214016).

Almost surely, 2^85628479 is an apocalyptic number.

85628479 is a deficient number, since it is larger than the sum of its proper divisors (4083649).

85628479 is a wasteful number, since it uses less digits than its factorization.

85628479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41325.

The product of its digits is 967680, while the sum is 49.

The square root of 85628479 is about 9253.5657451601. The cubic root of 85628479 is about 440.7639603227.

The spelling of 85628479 in words is "eighty-five million, six hundred twenty-eight thousand, four hundred seventy-nine".