68277350045556 has 120 divisors (see below), whose sum is σ = 183016564675560. Its totient is φ = 22187471125248.

The previous prime is 68277350045507. The next prime is 68277350045581. The reversal of 68277350045556 is 65554005377286.

68277350045556 is a `hidden beast` number, since 6 + 8 + 2 + 7 + 7 + 35 + 0 + 0 + 45 + 556 = 666.

68277350045556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12728411936100 + 55548938109456 = 3567690^2 + 7453116^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68277350045493 and 68277350045502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9966691 + ... + 15358698.

It is an arithmetic number, because the mean of its divisors is an integer number (1525138038963).

Almost surely, 2^{68277350045556} is an apocalyptic number.

It is an amenable number.

68277350045556 is an abundant number, since it is smaller than the sum of its proper divisors (114739214630004).

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

68277350045556 is a wasteful number, since it uses less digits than its factorization.

68277350045556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25325615 (or 25325604 counting only the distinct ones).

The product of its (nonzero) digits is 211680000, while the sum is 63.

The spelling of 68277350045556 in words is "sixty-eight trillion, two hundred seventy-seven billion, three hundred fifty million, forty-five thousand, five hundred fifty-six".