8361794773 has 2 divisors, whose sum is σ = 8361794774. Its totient is φ = 8361794772.

The previous prime is 8361794689. The next prime is 8361794801. The reversal of 8361794773 is 3774971638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5343171409 + 3018623364 = 73097^2 + 54942^2 .

It is a cyclic number.

It is not a de Polignac number, because 8361794773 - 2¹⁷ = 8361663701 is a prime.

It is a super-2 number, since 2×8361794773² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8361795773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180897386 + 4180897387.

It is an arithmetic number, because the mean of its divisors is an integer number (4180897387).

Almost surely, 2^8361794773 is an apocalyptic number.

It is an amenable number.

8361794773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8361794773 is an equidigital number, since it uses as much as digits as its factorization.

8361794773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 55.

The square root of 8361794773 is about 91442.8497642107. The cubic root of 8361794773 is about 2029.7061521492.

The spelling of 8361794773 in words is "eight billion, three hundred sixty-one million, seven hundred ninety-four thousand, seven hundred seventy-three".