86615075 has 12 divisors (see below), whose sum is σ = 108469248. Its totient is φ = 68604000.

The previous prime is 86615071. The next prime is 86615093. The reversal of 86615075 is 57051668.

It is a happy number.

It is not a de Polignac number, because 86615075 - 2² = 86615071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86615071) 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 11 ways as a sum of consecutive naturals, for example, 14627 + ... + 19676.

It is an arithmetic number, because the mean of its divisors is an integer number (9039104).

Almost surely, 2^86615075 is an apocalyptic number.

86615075 is a deficient number, since it is larger than the sum of its proper divisors (21854173).

86615075 is a wasteful number, since it uses less digits than its factorization.

86615075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34414 (or 34409 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 86615075 is about 9306.7220330254. The cubic root of 86615075 is about 442.4503013757.

The spelling of 86615075 in words is "eighty-six million, six hundred fifteen thousand, seventy-five".