86155680243 has 16 divisors (see below), whose sum is σ = 120030174720. Its totient is φ = 54865878144.

The previous prime is 86155680161. The next prime is 86155680379. The reversal of 86155680243 is 34208655168.

It is a happy number.

It is not a de Polignac number, because 86155680243 - 2¹⁷ = 86155549171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86155680192 and 86155680201.

It is not an unprimeable number, because it can be changed into a prime (86155680643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788998 + ... + 891531.

It is an arithmetic number, because the mean of its divisors is an integer number (7501885920).

Almost surely, 2^86155680243 is an apocalyptic number.

86155680243 is a deficient number, since it is larger than the sum of its proper divisors (33874494477).

86155680243 is a wasteful number, since it uses less digits than its factorization.

86155680243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681298.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 86155680243 in words is "eighty-six billion, one hundred fifty-five million, six hundred eighty thousand, two hundred forty-three".