68753197838 has 32 divisors (see below), whose sum is σ = 112391660640. Its totient is φ = 31353661440.

The previous prime is 68753197763. The next prime is 68753197867. The reversal of 68753197838 is 83879135786.

It is a congruent number.

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, 1539098 + ... + 1583138.

It is an arithmetic number, because the mean of its divisors is an integer number (3512239395).

Almost surely, 2^68753197838 is an apocalyptic number.

68753197838 is a deficient number, since it is larger than the sum of its proper divisors (43638462802).

68753197838 is a wasteful number, since it uses less digits than its factorization.

68753197838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44772.

The product of its digits is 60963840, while the sum is 65.

The spelling of 68753197838 in words is "sixty-eight billion, seven hundred fifty-three million, one hundred ninety-seven thousand, eight hundred thirty-eight".