85870532 has 12 divisors (see below), whose sum is σ = 163934736. Its totient is φ = 39032040.

The previous prime is 85870531. The next prime is 85870571. The reversal of 85870532 is 23507858.

85870532 = 944² + 945² + ... + 1031².

It is not an unprimeable number, because it can be changed into a prime (85870531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 975758 + ... + 975845.

It is an arithmetic number, because the mean of its divisors is an integer number (13661228).

Almost surely, 2^85870532 is an apocalyptic number.

It is an amenable number.

85870532 is a deficient number, since it is larger than the sum of its proper divisors (78064204).

85870532 is a wasteful number, since it uses less digits than its factorization.

85870532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951618 (or 1951616 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85870532 is about 9266.6354196116. The cubic root of 85870532 is about 441.1788840708.

The spelling of 85870532 in words is "eighty-five million, eight hundred seventy thousand, five hundred thirty-two".