86643723045813 has 8 divisors (see below), whose sum is σ = 118211591132448. Its totient is φ = 56419168494864.

The previous prime is 86643723045811. The next prime is 86643723045833. The reversal of 86643723045813 is 31854032734668.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86643723045813 - 2¹ = 86643723045811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86643723045811) 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, 335828383770 + ... + 335828384027.

It is an arithmetic number, because the mean of its divisors is an integer number (14776448891556).

Almost surely, 2^{86643723045813} is an apocalyptic number.

It is an amenable number.

86643723045813 is a deficient number, since it is larger than the sum of its proper divisors (31567868086635).

86643723045813 is a wasteful number, since it uses less digits than its factorization.

86643723045813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671656767843.

The product of its (nonzero) digits is 69672960, while the sum is 60.

The spelling of 86643723045813 in words is "eighty-six trillion, six hundred forty-three billion, seven hundred twenty-three million, forty-five thousand, eight hundred thirteen".