85028636 has 36 divisors (see below), whose sum is σ = 186929904. Its totient is φ = 33126720.

The previous prime is 85028621. The next prime is 85028651. The reversal of 85028636 is 63682058.

It is an interprime number because it is at equal distance from previous prime (85028621) and next prime (85028651).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85028636.

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 11 ways as a sum of consecutive naturals, for example, 9161 + ... + 15936.

Almost surely, 2^85028636 is an apocalyptic number.

It is an amenable number.

85028636 is an abundant number, since it is smaller than the sum of its proper divisors (101901268).

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

85028636 is a wasteful number, since it uses less digits than its factorization.

85028636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25130 (or 25117 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 85028636 is about 9221.0973316629. The cubic root of 85028636 is about 439.7323372072.

The spelling of 85028636 in words is "eighty-five million, twenty-eight thousand, six hundred thirty-six".