8889937361 has 2 divisors, whose sum is σ = 8889937362. Its totient is φ = 8889937360.

The previous prime is 8889937339. The next prime is 8889937367. The reversal of 8889937361 is 1637399888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460236225 + 4429701136 = 66785^2 + 66556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8889937361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8889937294 and 8889937303.

It is not a weakly prime, because it can be changed into another prime (8889937367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444968680 + 4444968681.

It is an arithmetic number, because the mean of its divisors is an integer number (4444968681).

Almost surely, 2^8889937361 is an apocalyptic number.

It is an amenable number.

8889937361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8889937361 is an equidigital number, since it uses as much as digits as its factorization.

8889937361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The square root of 8889937361 is about 94286.4643572979. The cubic root of 8889937361 is about 2071.5697802661.

The spelling of 8889937361 in words is "eight billion, eight hundred eighty-nine million, nine hundred thirty-seven thousand, three hundred sixty-one".