8898128497 has 2 divisors, whose sum is σ = 8898128498. Its totient is φ = 8898128496.

The previous prime is 8898128471. The next prime is 8898128521. The reversal of 8898128497 is 7948218988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8633383056 + 264745441 = 92916^2 + 16271^2 .

It is a cyclic number.

It is not a de Polignac number, because 8898128497 - 2¹⁵ = 8898095729 is a prime.

It is not a weakly prime, because it can be changed into another prime (8898528497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449064248 + 4449064249.

It is an arithmetic number, because the mean of its divisors is an integer number (4449064249).

Almost surely, 2^8898128497 is an apocalyptic number.

It is an amenable number.

8898128497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8898128497 is an equidigital number, since it uses as much as digits as its factorization.

8898128497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 64.

The square root of 8898128497 is about 94329.8918530070. The cubic root of 8898128497 is about 2072.2058290263.

The spelling of 8898128497 in words is "eight billion, eight hundred ninety-eight million, one hundred twenty-eight thousand, four hundred ninety-seven".