68623540715808 has 240 divisors, whose sum is σ = 228783725089920. Its totient is φ = 20003623017984.

The previous prime is 68623540715801. The next prime is 68623540715833. The reversal of 68623540715808 is 80851704532686.

68623540715808 is a `hidden beast` number, since 6 + 8 + 6 + 2 + 3 + 5 + 40 + 7 + 1 + 580 + 8 = 666.

68623540715808 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (68623540715801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52953160 + ... + 54233607.

It is an arithmetic number, because the mean of its divisors is an integer number (953265521208).

Almost surely, 2^{68623540715808} is an apocalyptic number.

It is an amenable number.

68623540715808 is an abundant number, since it is smaller than the sum of its proper divisors (160160184374112).

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

68623540715808 is a wasteful number, since it uses less digits than its factorization.

68623540715808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107186821 (or 107186804 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 68623540715808 in words is "sixty-eight trillion, six hundred twenty-three billion, five hundred forty million, seven hundred fifteen thousand, eight hundred eight".