68483718477 has 24 divisors (see below), whose sum is σ = 101355141888. Its totient is φ = 44532801600.

The previous prime is 68483718467. The next prime is 68483718491. The reversal of 68483718477 is 77481738486.

68483718477 is a `hidden beast` number, since 6 + 8 + 483 + 7 + 1 + 84 + 77 = 666.

It is not a de Polignac number, because 68483718477 - 2⁷ = 68483718349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68483718437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2001838 + ... + 2035760.

It is an arithmetic number, because the mean of its divisors is an integer number (4223130912).

Almost surely, 2^68483718477 is an apocalyptic number.

It is an amenable number.

68483718477 is a deficient number, since it is larger than the sum of its proper divisors (32871423411).

68483718477 is a wasteful number, since it uses less digits than its factorization.

68483718477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39441 (or 39438 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 63.

The spelling of 68483718477 in words is "sixty-eight billion, four hundred eighty-three million, seven hundred eighteen thousand, four hundred seventy-seven".