86608742178643 has 8 divisors (see below), whose sum is σ = 89011591288128. Its totient is φ = 84209160032064.

The previous prime is 86608742178641. The next prime is 86608742178649. The reversal of 86608742178643 is 34687124780668.

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 86608742178643 - 2¹ = 86608742178641 is a prime.

It is a super-2 number, since 2×86608742178643² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86608742178641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816686971 + ... + 816793012.

It is an arithmetic number, because the mean of its divisors is an integer number (11126448911016).

Almost surely, 2^{86608742178643} is an apocalyptic number.

86608742178643 is a deficient number, since it is larger than the sum of its proper divisors (2402849109485).

86608742178643 is a wasteful number, since it uses less digits than its factorization.

86608742178643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633481453.

The product of its (nonzero) digits is 520224768, while the sum is 70.

The spelling of 86608742178643 in words is "eighty-six trillion, six hundred eight billion, seven hundred forty-two million, one hundred seventy-eight thousand, six hundred forty-three".