85028478 has 8 divisors (see below), whose sum is σ = 170056968. Its totient is φ = 28342824.

The previous prime is 85028473. The next prime is 85028557. The reversal of 85028478 is 87482058.

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

85028478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85028473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7085701 + ... + 7085712.

It is an arithmetic number, because the mean of its divisors is an integer number (21257121).

Almost surely, 2^85028478 is an apocalyptic number.

85028478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85028478 is a wasteful number, since it uses less digits than its factorization.

85028478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14171418.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 85028478 is about 9221.0887643488. The cubic root of 85028478 is about 439.7320648372.

The spelling of 85028478 in words is "eighty-five million, twenty-eight thousand, four hundred seventy-eight".