86135617 has 4 divisors (see below), whose sum is σ = 91202436. Its totient is φ = 81068800.

The previous prime is 86135611. The next prime is 86135627. The reversal of 86135617 is 71653168.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50566321 + 35569296 = 7111^2 + 5964^2 .

It is a cyclic number.

It is not a de Polignac number, because 86135617 - 2¹⁹ = 85611329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86135611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533384 + ... + 2533417.

It is an arithmetic number, because the mean of its divisors is an integer number (22800609).

Almost surely, 2^86135617 is an apocalyptic number.

It is an amenable number.

86135617 is a deficient number, since it is larger than the sum of its proper divisors (5066819).

86135617 is a wasteful number, since it uses less digits than its factorization.

86135617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066818.

The product of its digits is 30240, while the sum is 37.

The square root of 86135617 is about 9280.9275937268. The cubic root of 86135617 is about 441.6323953630.

The spelling of 86135617 in words is "eighty-six million, one hundred thirty-five thousand, six hundred seventeen".