68880746868 has 48 divisors (see below), whose sum is σ = 162062208000. Its totient is φ = 22769000800.

The previous prime is 68880746861. The next prime is 68880746917. The reversal of 68880746868 is 86864708886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68880746861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341813 + ... + 2371043.

It is an arithmetic number, because the mean of its divisors is an integer number (3376296000).

Almost surely, 2^68880746868 is an apocalyptic number.

It is an amenable number.

68880746868 is an abundant number, since it is smaller than the sum of its proper divisors (93181461132).

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

68880746868 is a wasteful number, since it uses less digits than its factorization.

68880746868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30868 (or 30866 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 69.

The spelling of 68880746868 in words is "sixty-eight billion, eight hundred eighty million, seven hundred forty-six thousand, eight hundred sixty-eight".