86528071 has 12 divisors (see below), whose sum is σ = 105953880. Its totient is φ = 70262640.

The previous prime is 86528059. The next prime is 86528077. The reversal of 86528071 is 17082568.

It is not a de Polignac number, because 86528071 - 2²⁵ = 52973639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86528071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86528077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45540 + ... + 47401.

It is an arithmetic number, because the mean of its divisors is an integer number (8829490).

Almost surely, 2^86528071 is an apocalyptic number.

86528071 is a deficient number, since it is larger than the sum of its proper divisors (19425809).

86528071 is a wasteful number, since it uses less digits than its factorization.

86528071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92974 (or 92967 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 86528071 is about 9302.0466027644. The cubic root of 86528071 is about 442.3021060703.

The spelling of 86528071 in words is "eighty-six million, five hundred twenty-eight thousand, seventy-one".