86617839309 has 16 divisors (see below), whose sum is σ = 115801373952. Its totient is φ = 57589968128.

The previous prime is 86617839283. The next prime is 86617839349. The reversal of 86617839309 is 90393871668.

It is a cyclic number.

It is not a de Polignac number, because 86617839309 - 2⁵ = 86617839277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86617839349) 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 15 ways as a sum of consecutive naturals, for example, 1739452 + ... + 1788554.

It is an arithmetic number, because the mean of its divisors is an integer number (7237585872).

Almost surely, 2^86617839309 is an apocalyptic number.

It is an amenable number.

86617839309 is a deficient number, since it is larger than the sum of its proper divisors (29183534643).

86617839309 is a wasteful number, since it uses less digits than its factorization.

86617839309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 86617839309 in words is "eighty-six billion, six hundred seventeen million, eight hundred thirty-nine thousand, three hundred nine".