86828571 has 16 divisors (see below), whose sum is σ = 136202400. Its totient is φ = 54480384.

The previous prime is 86828561. The next prime is 86828587. The reversal of 86828571 is 17582868.

It is not a de Polignac number, because 86828571 - 2¹³ = 86820379 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86828501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94126 + ... + 95043.

It is an arithmetic number, because the mean of its divisors is an integer number (8512650).

Almost surely, 2^86828571 is an apocalyptic number.

86828571 is a deficient number, since it is larger than the sum of its proper divisors (49373829).

86828571 is a wasteful number, since it uses less digits than its factorization.

86828571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189195 (or 189189 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 86828571 is about 9318.1849627489. The cubic root of 86828571 is about 442.8135324629.

The spelling of 86828571 in words is "eighty-six million, eight hundred twenty-eight thousand, five hundred seventy-one".