68985258986 has 32 divisors (see below), whose sum is σ = 124061518080. Its totient is φ = 28143561600.

The previous prime is 68985258971. The next prime is 68985259003.

68985258986 is nontrivially palindromic in base 10.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 1167755 + ... + 1225406.

It is an arithmetic number, because the mean of its divisors is an integer number (3876922440).

Almost surely, 2^68985258986 is an apocalyptic number.

68985258986 is a deficient number, since it is larger than the sum of its proper divisors (55076259094).

68985258986 is a wasteful number, since it uses less digits than its factorization.

68985258986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393270.

The product of its digits is 597196800, while the sum is 74.

The spelling of 68985258986 in words is "sixty-eight billion, nine hundred eighty-five million, two hundred fifty-eight thousand, nine hundred eighty-six".