68485678363872 has 288 divisors, whose sum is σ = 246793403211264. Its totient is φ = 17496872985600.

The previous prime is 68485678363831. The next prime is 68485678363873. The reversal of 68485678363872 is 27836387658486.

68485678363872 is a `hidden beast` number, since 6 + 8 + 48 + 567 + 8 + 3 + 6 + 3 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 68485678363791 and 68485678363800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68485678363873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23961028 + ... + 26666499.

It is an arithmetic number, because the mean of its divisors is an integer number (856921538928).

Almost surely, 2^{68485678363872} is an apocalyptic number.

It is an amenable number.

68485678363872 is an abundant number, since it is smaller than the sum of its proper divisors (178307724847392).

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

68485678363872 is a wasteful number, since it uses less digits than its factorization.

68485678363872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50627622 (or 50627611 counting only the distinct ones).

The product of its digits is 15606743040, while the sum is 81.

The spelling of 68485678363872 in words is "sixty-eight trillion, four hundred eighty-five billion, six hundred seventy-eight million, three hundred sixty-three thousand, eight hundred seventy-two".