86043834069 has 16 divisors (see below), whose sum is σ = 118781277120. Its totient is φ = 55337811200.

The previous prime is 86043833969. The next prime is 86043834101. The reversal of 86043834069 is 96043834068.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86043834069 - 2¹² = 86043829973 is a prime.

It is a super-2 number, since 2×86043834069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86043834269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313332 + ... + 519869.

It is an arithmetic number, because the mean of its divisors is an integer number (7423829820).

Almost surely, 2^86043834069 is an apocalyptic number.

It is an amenable number.

86043834069 is a deficient number, since it is larger than the sum of its proper divisors (32737443051).

86043834069 is a wasteful number, since it uses less digits than its factorization.

86043834069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834420.

The product of its (nonzero) digits is 2985984, while the sum is 51.

Subtracting 86043834069 from its reverse (96043834068), we obtain a palindrome (9999999999).

The spelling of 86043834069 in words is "eighty-six billion, forty-three million, eight hundred thirty-four thousand, sixty-nine".