77734586884405 has 16 divisors (see below), whose sum is σ = 104128190806464. Its totient is φ = 55219495121280.

The previous prime is 77734586884403. The next prime is 77734586884459. The reversal of 77734586884405 is 50448868543777.

It is not a de Polignac number, because 77734586884405 - 2¹ = 77734586884403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77734586884403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16434371184 + ... + 16434375913.

It is an arithmetic number, because the mean of its divisors is an integer number (6508011925404).

Almost surely, 2^{77734586884405} is an apocalyptic number.

It is an amenable number.

77734586884405 is a deficient number, since it is larger than the sum of its proper divisors (26393603922059).

77734586884405 is a wasteful number, since it uses less digits than its factorization.

77734586884405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32868747156.

The product of its (nonzero) digits is 5057740800, while the sum is 76.

The spelling of 77734586884405 in words is "seventy-seven trillion, seven hundred thirty-four billion, five hundred eighty-six million, eight hundred eighty-four thousand, four hundred five".