86512101 has 32 divisors (see below), whose sum is σ = 128325120. Its totient is φ = 51508224.

The previous prime is 86512093. The next prime is 86512109. The reversal of 86512101 is 10121568.

It is an interprime number because it is at equal distance from previous prime (86512093) and next prime (86512109).

It is not a de Polignac number, because 86512101 - 2³ = 86512093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86512109) 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 31 ways as a sum of consecutive naturals, for example, 199581 + ... + 200013.

It is an arithmetic number, because the mean of its divisors is an integer number (4010160).

Almost surely, 2^86512101 is an apocalyptic number.

It is an amenable number.

86512101 is a deficient number, since it is larger than the sum of its proper divisors (41813019).

86512101 is a wasteful number, since it uses less digits than its factorization.

86512101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 86512101 is about 9301.1881499086. The cubic root of 86512101 is about 442.2748933244.

Adding to 86512101 its reverse (10121568), we get a palindrome (96633669).

The spelling of 86512101 in words is "eighty-six million, five hundred twelve thousand, one hundred one".