86657323896 has 192 divisors, whose sum is σ = 290240496000. Its totient is φ = 22963979520.

The previous prime is 86657323847. The next prime is 86657323913. The reversal of 86657323896 is 69832375668.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 25866 + ... + 417113.

It is an arithmetic number, because the mean of its divisors is an integer number (1511669250).

Almost surely, 2^86657323896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86657323896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145120248000).

86657323896 is an abundant number, since it is smaller than the sum of its proper divisors (203583172104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86657323896 is a wasteful number, since it uses less digits than its factorization.

86657323896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443034 (or 443027 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 86657323896 in words is "eighty-six billion, six hundred fifty-seven million, three hundred twenty-three thousand, eight hundred ninety-six".