7117805389867 has 2 divisors, whose sum is σ = 7117805389868. Its totient is φ = 7117805389866.

The previous prime is 7117805389841. The next prime is 7117805389943. The reversal of 7117805389867 is 7689835087117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7117805389867 - 2¹⁹ = 7117804865579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7117805389796 and 7117805389805.

It is not a weakly prime, because it can be changed into another prime (7117805389817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3558902694933 + 3558902694934.

It is an arithmetic number, because the mean of its divisors is an integer number (3558902694934).

Almost surely, 2^{7117805389867} is an apocalyptic number.

7117805389867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7117805389867 is an equidigital number, since it uses as much as digits as its factorization.

7117805389867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142248960, while the sum is 70.

The spelling of 7117805389867 in words is "seven trillion, one hundred seventeen billion, eight hundred five million, three hundred eighty-nine thousand, eight hundred sixty-seven".