86570128 has 40 divisors (see below), whose sum is σ = 170614080. Its totient is φ = 42549120.

The previous prime is 86570111. The next prime is 86570129. The reversal of 86570128 is 82107568.

It is not an unprimeable number, because it can be changed into a prime (86570129) 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 7 ways as a sum of consecutive naturals, for example, 478198 + ... + 478378.

It is an arithmetic number, because the mean of its divisors is an integer number (4265352).

Almost surely, 2^86570128 is an apocalyptic number.

It is an amenable number.

86570128 is a deficient number, since it is larger than the sum of its proper divisors (84043952).

86570128 is a wasteful number, since it uses less digits than its factorization.

86570128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

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

The square root of 86570128 is about 9304.3069596827. The cubic root of 86570128 is about 442.3737548291.

The spelling of 86570128 in words is "eighty-six million, five hundred seventy thousand, one hundred twenty-eight".