8236360861 has 2 divisors, whose sum is σ = 8236360862. Its totient is φ = 8236360860.

The previous prime is 8236360819. The next prime is 8236360871. The reversal of 8236360861 is 1680636328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5566055236 + 2670305625 = 74606^2 + 51675^2 .

It is a cyclic number.

It is not a de Polignac number, because 8236360861 - 2¹⁷ = 8236229789 is a prime.

It is a super-2 number, since 2×8236360861² (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 (8236360871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4118180430 + 4118180431.

It is an arithmetic number, because the mean of its divisors is an integer number (4118180431).

Almost surely, 2^8236360861 is an apocalyptic number.

It is an amenable number.

8236360861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8236360861 is an equidigital number, since it uses as much as digits as its factorization.

8236360861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 8236360861 is about 90754.3985765979. The cubic root of 8236360861 is about 2019.5058802687.

The spelling of 8236360861 in words is "eight billion, two hundred thirty-six million, three hundred sixty thousand, eight hundred sixty-one".