77683334843 has 4 divisors (see below), whose sum is σ = 77702134848. Its totient is φ = 77664534840.

The previous prime is 77683334809. The next prime is 77683334857. The reversal of 77683334843 is 34843338677.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77683334843 - 2⁶ = 77683334779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77683334893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9393803 + ... + 9402068.

It is an arithmetic number, because the mean of its divisors is an integer number (19425533712).

Almost surely, 2^77683334843 is an apocalyptic number.

77683334843 is a deficient number, since it is larger than the sum of its proper divisors (18800005).

77683334843 is a wasteful number, since it uses less digits than its factorization.

77683334843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18800004.

The product of its digits is 24385536, while the sum is 56.

The spelling of 77683334843 in words is "seventy-seven billion, six hundred eighty-three million, three hundred thirty-four thousand, eight hundred forty-three".