898470089897 has 2 divisors, whose sum is σ = 898470089898. Its totient is φ = 898470089896.

The previous prime is 898470089893. The next prime is 898470089977. The reversal of 898470089897 is 798980074898.

898470089897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898279346176 + 190743721 = 947776^2 + 13811^2 .

It is a cyclic number.

It is not a de Polignac number, because 898470089897 - 2² = 898470089893 is a prime.

It is a super-2 number, since 2×898470089897² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (898470089893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449235044948 + 449235044949.

It is an arithmetic number, because the mean of its divisors is an integer number (449235044949).

Almost surely, 2^898470089897 is an apocalyptic number.

It is an amenable number.

898470089897 is a deficient number, since it is larger than the sum of its proper divisors (1).

898470089897 is an equidigital number, since it uses as much as digits as its factorization.

898470089897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 585252864, while the sum is 77.

The spelling of 898470089897 in words is "eight hundred ninety-eight billion, four hundred seventy million, eighty-nine thousand, eight hundred ninety-seven".