85528974 has 32 divisors (see below), whose sum is σ = 173859840. Its totient is φ = 28046592.

The previous prime is 85528957. The next prime is 85528979. The reversal of 85528974 is 47982558.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85528979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129457 + ... + 130115.

It is an arithmetic number, because the mean of its divisors is an integer number (5433120).

Almost surely, 2^85528974 is an apocalyptic number.

85528974 is an abundant number, since it is smaller than the sum of its proper divisors (88330866).

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

85528974 is a wasteful number, since it uses less digits than its factorization.

85528974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its digits is 806400, while the sum is 48.

The square root of 85528974 is about 9248.1876062286. The cubic root of 85528974 is about 440.5931634963.

The spelling of 85528974 in words is "eighty-five million, five hundred twenty-eight thousand, nine hundred seventy-four".