77633360340847 has 16 divisors (see below), whose sum is σ = 80242672803552. Its totient is φ = 75050987806080.

The previous prime is 77633360340803. The next prime is 77633360340881. The reversal of 77633360340847 is 74804306333677.

It is not a de Polignac number, because 77633360340847 - 2¹⁹ = 77633359816559 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 (77633360340947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149397897 + ... + 149916637.

It is an arithmetic number, because the mean of its divisors is an integer number (5015167050222).

Almost surely, 2^{77633360340847} is an apocalyptic number.

77633360340847 is a deficient number, since it is larger than the sum of its proper divisors (2609312462705).

77633360340847 is a wasteful number, since it uses less digits than its factorization.

77633360340847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544698.

The product of its (nonzero) digits is 128024064, while the sum is 61.

The spelling of 77633360340847 in words is "seventy-seven trillion, six hundred thirty-three billion, three hundred sixty million, three hundred forty thousand, eight hundred forty-seven".