68937931254828 has 54 divisors (see below), whose sum is σ = 161385547690668. Its totient is φ = 22903790878080.

The previous prime is 68937931254817. The next prime is 68937931254839. The reversal of 68937931254828 is 82845213973986.

It is an interprime number because it is at equal distance from previous prime (68937931254817) and next prime (68937931254839).

It is a self number, because there is not a number n which added to its sum of digits gives 68937931254828.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9117564168 + ... + 9117571728.

Almost surely, 2^{68937931254828} is an apocalyptic number.

It is an amenable number.

68937931254828 is an abundant number, since it is smaller than the sum of its proper divisors (92447616435840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68937931254828 is an frugal number, since it uses more digits than its factorization.

68937931254828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15763 (or 7883 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 75.

The spelling of 68937931254828 in words is "sixty-eight trillion, nine hundred thirty-seven billion, nine hundred thirty-one million, two hundred fifty-four thousand, eight hundred twenty-eight".