68415894876 has 24 divisors (see below), whose sum is σ = 182442386560. Its totient is φ = 19547398512.

The previous prime is 68415894779. The next prime is 68415894893. The reversal of 68415894876 is 67849851486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407237386 + ... + 407237553.

Almost surely, 2^68415894876 is an apocalyptic number.

It is an amenable number.

68415894876 is an abundant number, since it is smaller than the sum of its proper divisors (114026491684).

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

68415894876 is a wasteful number, since it uses less digits than its factorization.

68415894876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814474953 (or 814474951 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 68415894876 in words is "sixty-eight billion, four hundred fifteen million, eight hundred ninety-four thousand, eight hundred seventy-six".