86343834636522 has 72 divisors (see below), whose sum is σ = 198747824149836. Its totient is φ = 27085865631744.

The previous prime is 86343834636511. The next prime is 86343834636581. The reversal of 86343834636522 is 22563643834368.

86343834636522 is a `hidden beast` number, since 8 + 6 + 3 + 4 + 38 + 3 + 46 + 36 + 522 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 59235973713081 + 27107860923441 = 7696491^2 + 5206521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86343834636522.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58537948 + ... + 59994824.

Almost surely, 2^{86343834636522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86343834636522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99373912074918).

86343834636522 is an abundant number, since it is smaller than the sum of its proper divisors (112403989513314).

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

86343834636522 is a wasteful number, since it uses less digits than its factorization.

86343834636522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468312 (or 1468292 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 63.

The spelling of 86343834636522 in words is "eighty-six trillion, three hundred forty-three billion, eight hundred thirty-four million, six hundred thirty-six thousand, five hundred twenty-two".