86686840069 has 8 divisors (see below), whose sum is σ = 86748659712. Its totient is φ = 86625048240.

The previous prime is 86686840043. The next prime is 86686840087. The reversal of 86686840069 is 96004868668.

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 86686840069 - 2⁹ = 86686839557 is a prime.

It is a super-2 number, since 2×86686840069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86686839989 and 86686840016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86686840769) 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, 14108412 + ... + 14114554.

It is an arithmetic number, because the mean of its divisors is an integer number (10843582464).

Almost surely, 2^86686840069 is an apocalyptic number.

It is an amenable number.

86686840069 is a deficient number, since it is larger than the sum of its proper divisors (61819643).

86686840069 is a wasteful number, since it uses less digits than its factorization.

86686840069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907.

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 86686840069 in words is "eighty-six billion, six hundred eighty-six million, eight hundred forty thousand, sixty-nine".