77473368006768 has 60 divisors (see below), whose sum is σ = 217049224658448. Its totient is φ = 25796895171840.

The previous prime is 77473368006767. The next prime is 77473368006803. The reversal of 77473368006768 is 86760086337477.

77473368006768 is a `hidden beast` number, since 7 + 7 + 473 + 3 + 6 + 80 + 0 + 6 + 76 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 77473368006696 and 77473368006705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77473368006767) 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 11 ways as a sum of consecutive naturals, for example, 286956588 + ... + 287226443.

Almost surely, 2^{77473368006768} is an apocalyptic number.

It is an amenable number.

77473368006768 is an abundant number, since it is smaller than the sum of its proper divisors (139575856651680).

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

77473368006768 is a wasteful number, since it uses less digits than its factorization.

77473368006768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574183982 (or 574183973 counting only the distinct ones).

The product of its (nonzero) digits is 1194891264, while the sum is 72.

The spelling of 77473368006768 in words is "seventy-seven trillion, four hundred seventy-three billion, three hundred sixty-eight million, six thousand, seven hundred sixty-eight".