68739855893704 has 16 divisors (see below), whose sum is σ = 129400724743920. Its totient is φ = 34232995962000.

The previous prime is 68739855893693. The next prime is 68739855893713. The reversal of 68739855893704 is 40739855893786.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17116495974 + ... + 17116499989.

It is an arithmetic number, because the mean of its divisors is an integer number (8087545296495).

Almost surely, 2^{68739855893704} is an apocalyptic number.

It is an amenable number.

68739855893704 is a deficient number, since it is larger than the sum of its proper divisors (60660868850216).

68739855893704 is a wasteful number, since it uses less digits than its factorization.

68739855893704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34232996220 (or 34232996216 counting only the distinct ones).

The product of its (nonzero) digits is 10973491200, while the sum is 82.

Adding to 68739855893704 its sum of digits (82), we get a palindrome (68739855893786).

The spelling of 68739855893704 in words is "sixty-eight trillion, seven hundred thirty-nine billion, eight hundred fifty-five million, eight hundred ninety-three thousand, seven hundred four".