86516071 has 4 divisors (see below), whose sum is σ = 89306944. Its totient is φ = 83725200.

The previous prime is 86516069. The next prime is 86516093. The reversal of 86516071 is 17061568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86516071 - 2¹ = 86516069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86516051) 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 3 ways as a sum of consecutive naturals, for example, 1395390 + ... + 1395451.

It is an arithmetic number, because the mean of its divisors is an integer number (22326736).

Almost surely, 2^86516071 is an apocalyptic number.

86516071 is a deficient number, since it is larger than the sum of its proper divisors (2790873).

86516071 is a wasteful number, since it uses less digits than its factorization.

86516071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790872.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 86516071 is about 9301.4015610552. The cubic root of 86516071 is about 442.2816584838.

The spelling of 86516071 in words is "eighty-six million, five hundred sixteen thousand, seventy-one".