68893777712 has 80 divisors (see below), whose sum is σ = 136834099200. Its totient is φ = 33592838400.

The previous prime is 68893777709. The next prime is 68893777721. The reversal of 68893777712 is 21777739886.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83710133 + ... + 83710955.

It is an arithmetic number, because the mean of its divisors is an integer number (1710426240).

Almost surely, 2^68893777712 is an apocalyptic number.

It is an amenable number.

68893777712 is a deficient number, since it is larger than the sum of its proper divisors (67940321488).

68893777712 is a wasteful number, since it uses less digits than its factorization.

68893777712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1516 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 65.

The spelling of 68893777712 in words is "sixty-eight billion, eight hundred ninety-three million, seven hundred seventy-seven thousand, seven hundred twelve".