86858561572367 has 4 divisors (see below), whose sum is σ = 93539989385640. Its totient is φ = 80177133759096.

The previous prime is 86858561572357. The next prime is 86858561572421. The reversal of 86858561572367 is 76327516585868.

It is a happy number.

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 86858561572367 - 2⁴ = 86858561572351 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 (86858561572357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340713906617 + ... + 3340713906642.

It is an arithmetic number, because the mean of its divisors is an integer number (23384997346410).

Almost surely, 2^{86858561572367} is an apocalyptic number.

86858561572367 is a deficient number, since it is larger than the sum of its proper divisors (6681427813273).

86858561572367 is a wasteful number, since it uses less digits than its factorization.

86858561572367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681427813272.

The product of its digits is 4064256000, while the sum is 77.

The spelling of 86858561572367 in words is "eighty-six trillion, eight hundred fifty-eight billion, five hundred sixty-one million, five hundred seventy-two thousand, three hundred sixty-seven".