86180879207 has 4 divisors (see below), whose sum is σ = 86210733456. Its totient is φ = 86151024960.

The previous prime is 86180879203. The next prime is 86180879209. The reversal of 86180879207 is 70297808168.

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 86180879207 - 2² = 86180879203 is a prime.

It is a super-3 number, since 3×86180879207³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86180879201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14922794 + ... + 14928567.

It is an arithmetic number, because the mean of its divisors is an integer number (21552683364).

Almost surely, 2^86180879207 is an apocalyptic number.

86180879207 is a deficient number, since it is larger than the sum of its proper divisors (29854249).

86180879207 is a wasteful number, since it uses less digits than its factorization.

86180879207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29854248.

The product of its (nonzero) digits is 2709504, while the sum is 56.

The spelling of 86180879207 in words is "eighty-six billion, one hundred eighty million, eight hundred seventy-nine thousand, two hundred seven".