8582478361 has 2 divisors, whose sum is σ = 8582478362. Its totient is φ = 8582478360.

The previous prime is 8582478241. The next prime is 8582478419. The reversal of 8582478361 is 1638742858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8071944336 + 510534025 = 89844^2 + 22595^2 .

It is a cyclic number.

It is not a de Polignac number, because 8582478361 - 2²⁷ = 8448260633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8582478299 and 8582478308.

It is not a weakly prime, because it can be changed into another prime (8582478461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4291239180 + 4291239181.

It is an arithmetic number, because the mean of its divisors is an integer number (4291239181).

Almost surely, 2^8582478361 is an apocalyptic number.

It is an amenable number.

8582478361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8582478361 is an equidigital number, since it uses as much as digits as its factorization.

8582478361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 52.

The square root of 8582478361 is about 92641.6664411862. Note that the first 3 decimals coincide. The cubic root of 8582478361 is about 2047.4072604636.

The spelling of 8582478361 in words is "eight billion, five hundred eighty-two million, four hundred seventy-eight thousand, three hundred sixty-one".