77840060066103 has 16 divisors (see below), whose sum is σ = 109249394220800. Its totient is φ = 49162059000000.

The previous prime is 77840060066101. The next prime is 77840060066147. The reversal of 77840060066103 is 30166006004877.

It is not a de Polignac number, because 77840060066103 - 2¹ = 77840060066101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77840060066101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63518118 + ... + 64731996.

It is an arithmetic number, because the mean of its divisors is an integer number (6828087138800).

Almost surely, 2^{77840060066103} is an apocalyptic number.

77840060066103 is a deficient number, since it is larger than the sum of its proper divisors (31409334154697).

77840060066103 is a wasteful number, since it uses less digits than its factorization.

77840060066103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338902.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 77840060066103 in words is "seventy-seven trillion, eight hundred forty billion, sixty million, sixty-six thousand, one hundred three".