68893777713 has 8 divisors (see below), whose sum is σ = 93229391008. Its totient is φ = 45243674784.

The previous prime is 68893777709. The next prime is 68893777721. The reversal of 68893777713 is 31777739886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68893777713 - 2² = 68893777709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68893777013) 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, 171377356 + ... + 171377757.

It is an arithmetic number, because the mean of its divisors is an integer number (11653673876).

Almost surely, 2^68893777713 is an apocalyptic number.

It is an amenable number.

68893777713 is a deficient number, since it is larger than the sum of its proper divisors (24335613295).

68893777713 is a wasteful number, since it uses less digits than its factorization.

68893777713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342755183.

The product of its digits is 74680704, while the sum is 66.

The spelling of 68893777713 in words is "sixty-eight billion, eight hundred ninety-three million, seven hundred seventy-seven thousand, seven hundred thirteen".