8992642817 has 2 divisors, whose sum is σ = 8992642818. Its totient is φ = 8992642816.

The previous prime is 8992642739. The next prime is 8992642853. The reversal of 8992642817 is 7182462998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8987798416 + 4844401 = 94804^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 8992642817 - 2²⁸ = 8724207361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8992642517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4496321408 + 4496321409.

It is an arithmetic number, because the mean of its divisors is an integer number (4496321409).

Almost surely, 2^8992642817 is an apocalyptic number.

It is an amenable number.

8992642817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8992642817 is an equidigital number, since it uses as much as digits as its factorization.

8992642817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 56.

The square root of 8992642817 is about 94829.5461182853. The cubic root of 8992642817 is about 2079.5168701158.

The spelling of 8992642817 in words is "eight billion, nine hundred ninety-two million, six hundred forty-two thousand, eight hundred seventeen".