8489779763 has 2 divisors, whose sum is σ = 8489779764. Its totient is φ = 8489779762.

The previous prime is 8489779699. The next prime is 8489779801. The reversal of 8489779763 is 3679779848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8489779763 - 2⁶ = 8489779699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8489779693 and 8489779702.

It is not a weakly prime, because it can be changed into another prime (8489773763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4244889881 + 4244889882.

It is an arithmetic number, because the mean of its divisors is an integer number (4244889882).

Almost surely, 2^8489779763 is an apocalyptic number.

8489779763 is a deficient number, since it is larger than the sum of its proper divisors (1).

8489779763 is an equidigital number, since it uses as much as digits as its factorization.

8489779763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 68.

The square root of 8489779763 is about 92140.0008845235. Note that the first 3 decimals coincide. The cubic root of 8489779763 is about 2040.0092722730.

The spelling of 8489779763 in words is "eight billion, four hundred eighty-nine million, seven hundred seventy-nine thousand, seven hundred sixty-three".