68339717777486 has 16 divisors (see below), whose sum is σ = 106987692440448. Its totient is φ = 32677741899000.

The previous prime is 68339717777447. The next prime is 68339717777501. The reversal of 68339717777486 is 68477771793386.

It is a super-4 number, since 4×68339717777486⁴ (a number of 56 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146832200 + ... + 147296891.

It is an arithmetic number, because the mean of its divisors is an integer number (6686730777528).

Almost surely, 2^{68339717777486} is an apocalyptic number.

68339717777486 is a deficient number, since it is larger than the sum of its proper divisors (38647974662962).

68339717777486 is a wasteful number, since it uses less digits than its factorization.

68339717777486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294134167.

The product of its digits is 12546358272, while the sum is 83.

The spelling of 68339717777486 in words is "sixty-eight trillion, three hundred thirty-nine billion, seven hundred seventeen million, seven hundred seventy-seven thousand, four hundred eighty-six".