86513111 has 4 divisors (see below), whose sum is σ = 86545872. Its totient is φ = 86480352.

The previous prime is 86513107. The next prime is 86513117. The reversal of 86513111 is 11131568.

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 86513111 - 2² = 86513107 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 (86513117) 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 3 ways as a sum of consecutive naturals, for example, 12035 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (21636468).

Almost surely, 2^86513111 is an apocalyptic number.

86513111 is a deficient number, since it is larger than the sum of its proper divisors (32761).

86513111 is a wasteful number, since it uses less digits than its factorization.

86513111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32760.

The product of its digits is 720, while the sum is 26.

The square root of 86513111 is about 9301.2424438889. The cubic root of 86513111 is about 442.2766144551.

Adding to 86513111 its reverse (11131568), we get a palindrome (97644679).

The spelling of 86513111 in words is "eighty-six million, five hundred thirteen thousand, one hundred eleven".