68985658986 has 16 divisors (see below), whose sum is σ = 139237111200. Its totient is φ = 22784254128.

The previous prime is 68985658981. The next prime is 68985658999.

68985658986 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68985658986² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68985658981) 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, 52740676 + ... + 52741983.

It is an arithmetic number, because the mean of its divisors is an integer number (8702319450).

Almost surely, 2^68985658986 is an apocalyptic number.

68985658986 is an abundant number, since it is smaller than the sum of its proper divisors (70251452214).

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

68985658986 is a wasteful number, since it uses less digits than its factorization.

68985658986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105482773.

The product of its digits is 1791590400, while the sum is 78.

The spelling of 68985658986 in words is "sixty-eight billion, nine hundred eighty-five million, six hundred fifty-eight thousand, nine hundred eighty-six".