77834866343113 has 8 divisors (see below), whose sum is σ = 85107772020096. Its totient is φ = 70594795455600.

The previous prime is 77834866343093. The next prime is 77834866343141. The reversal of 77834866343113 is 31134366843877.

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 a de Polignac number, because none of the positive numbers 2^k-77834866343113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77834866343413) 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, 8208692406 + ... + 8208701887.

It is an arithmetic number, because the mean of its divisors is an integer number (10638471502512).

Almost surely, 2^{77834866343113} is an apocalyptic number.

It is an amenable number.

77834866343113 is a deficient number, since it is larger than the sum of its proper divisors (7272905676983).

77834866343113 is a wasteful number, since it uses less digits than its factorization.

77834866343113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16417394735.

The product of its digits is 146313216, while the sum is 64.

The spelling of 77834866343113 in words is "seventy-seven trillion, eight hundred thirty-four billion, eight hundred sixty-six million, three hundred forty-three thousand, one hundred thirteen".