68326862386 has 4 divisors (see below), whose sum is σ = 102490293582. Its totient is φ = 34163431192.

The previous prime is 68326862353. The next prime is 68326862393.

It is a happy number.

68326862386 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47740065025 + 20586797361 = 218495^2 + 143481^2 .

It is a super-2 number, since 2×68326862386² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68326862386.

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 as a sum of consecutive naturals, namely, 17081715595 + ... + 17081715598.

Almost surely, 2^68326862386 is an apocalyptic number.

68326862386 is a deficient number, since it is larger than the sum of its proper divisors (34163431196).

68326862386 is a wasteful number, since it uses less digits than its factorization.

68326862386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34163431195.

The product of its digits is 23887872, while the sum is 58.

The spelling of 68326862386 in words is "sixty-eight billion, three hundred twenty-six million, eight hundred sixty-two thousand, three hundred eighty-six".