86353413620861 has 8 divisors (see below), whose sum is σ = 93663099996984. Its totient is φ = 79291513223680.

The previous prime is 86353413620843. The next prime is 86353413620867. The reversal of 86353413620861 is 16802631435368.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9083233636 + 86344330387225 = 95306^2 + 9292165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86353413620861 - 2¹⁴ = 86353413604477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86353413620797 and 86353413620806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86353413620867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61946494010 + ... + 61946495403.

It is an arithmetic number, because the mean of its divisors is an integer number (11707887499623).

Almost surely, 2^{86353413620861} is an apocalyptic number.

It is an amenable number.

86353413620861 is a deficient number, since it is larger than the sum of its proper divisors (7309686376123).

86353413620861 is a wasteful number, since it uses less digits than its factorization.

86353413620861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123892989471.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 86353413620861 in words is "eighty-six trillion, three hundred fifty-three billion, four hundred thirteen million, six hundred twenty thousand, eight hundred sixty-one".