68398147774808 has 64 divisors (see below), whose sum is σ = 130592192220000. Its totient is φ = 33578989608960.

The previous prime is 68398147774727. The next prime is 68398147774813. The reversal of 68398147774808 is 80847774189386.

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, 130581818 + ... + 131104566.

Almost surely, 2^{68398147774808} is an apocalyptic number.

It is an amenable number.

68398147774808 is a deficient number, since it is larger than the sum of its proper divisors (62194044445192).

68398147774808 is a wasteful number, since it uses less digits than its factorization.

68398147774808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524052 (or 524048 counting only the distinct ones).

The product of its (nonzero) digits is 3641573376, while the sum is 80.

The spelling of 68398147774808 in words is "sixty-eight trillion, three hundred ninety-eight billion, one hundred forty-seven million, seven hundred seventy-four thousand, eight hundred eight".