85928658 has 8 divisors (see below), whose sum is σ = 171857328. Its totient is φ = 28642884.

The previous prime is 85928657. The next prime is 85928671. The reversal of 85928658 is 85682958.

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

85928658 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85928658.

It is not an unprimeable number, because it can be changed into a prime (85928657) 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, 7160716 + ... + 7160727.

It is an arithmetic number, because the mean of its divisors is an integer number (21482166).

Almost surely, 2^85928658 is an apocalyptic number.

85928658 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.

85928658 is a wasteful number, since it uses less digits than its factorization.

85928658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14321448.

The product of its digits is 1382400, while the sum is 51.

The square root of 85928658 is about 9269.7711945873. The cubic root of 85928658 is about 441.2784066864.

The spelling of 85928658 in words is "eighty-five million, nine hundred twenty-eight thousand, six hundred fifty-eight".