86135065658 has 4 divisors (see below), whose sum is σ = 129202598490. Its totient is φ = 43067532828.

The previous prime is 86135065649. The next prime is 86135065727. The reversal of 86135065658 is 85656053168.

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

It can be written as a sum of positive squares in only one way, i.e., 59249888569 + 26885177089 = 243413^2 + 163967^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21533766413 + ... + 21533766416.

Almost surely, 2^86135065658 is an apocalyptic number.

86135065658 is a deficient number, since it is larger than the sum of its proper divisors (43067532832).

86135065658 is a wasteful number, since it uses less digits than its factorization.

86135065658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43067532831.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 86135065658 in words is "eighty-six billion, one hundred thirty-five million, sixty-five thousand, six hundred fifty-eight".