86571093 has 24 divisors (see below), whose sum is σ = 135134688. Its totient is φ = 49152096.

The previous prime is 86571077. The next prime is 86571097. The reversal of 86571093 is 39017568.

It is not a de Polignac number, because 86571093 - 2⁴ = 86571077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86571097) 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 23 ways as a sum of consecutive naturals, for example, 22155 + ... + 25767.

It is an arithmetic number, because the mean of its divisors is an integer number (5630612).

Almost surely, 2^86571093 is an apocalyptic number.

It is an amenable number.

86571093 is a deficient number, since it is larger than the sum of its proper divisors (48563595).

86571093 is a wasteful number, since it uses less digits than its factorization.

86571093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 86571093 is about 9304.3588172426. The cubic root of 86571093 is about 442.3753985412.

The spelling of 86571093 in words is "eighty-six million, five hundred seventy-one thousand, ninety-three".