77734638222573 has 8 divisors (see below), whose sum is σ = 103646572954848. Its totient is φ = 51822897819344.

The previous prime is 77734638222529. The next prime is 77734638222611. The reversal of 77734638222573 is 37522283643777.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77734638222573 - 2⁶ = 77734638222509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77734638222473) 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, 47646315 + ... + 49250792.

It is an arithmetic number, because the mean of its divisors is an integer number (12955821619356).

Almost surely, 2^{77734638222573} is an apocalyptic number.

It is an amenable number.

77734638222573 is a deficient number, since it is larger than the sum of its proper divisors (25911934732275).

77734638222573 is a wasteful number, since it uses less digits than its factorization.

77734638222573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97164523.

The product of its digits is 497871360, while the sum is 66.

The spelling of 77734638222573 in words is "seventy-seven trillion, seven hundred thirty-four billion, six hundred thirty-eight million, two hundred twenty-two thousand, five hundred seventy-three".