77073580345818 has 16 divisors (see below), whose sum is σ = 176168183647680. Its totient is φ = 22021022955936.

The previous prime is 77073580345789. The next prime is 77073580345819. The reversal of 77073580345818 is 81854308537077.

77073580345818 is digitally balanced in base 3, 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 (77073580345819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917542623123 + ... + 917542623206.

It is an arithmetic number, because the mean of its divisors is an integer number (11010511477980).

Almost surely, 2^{77073580345818} is an apocalyptic number.

77073580345818 is an abundant number, since it is smaller than the sum of its proper divisors (99094603301862).

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

77073580345818 is a wasteful number, since it uses less digits than its factorization.

77073580345818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835085246341.

The product of its (nonzero) digits is 158054400, while the sum is 66.

The spelling of 77073580345818 in words is "seventy-seven trillion, seventy-three billion, five hundred eighty million, three hundred forty-five thousand, eight hundred eighteen".