898061797 has 2 divisors, whose sum is σ = 898061798. Its totient is φ = 898061796.

The previous prime is 898061761. The next prime is 898061819. The reversal of 898061797 is 797160898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584382276 + 313679521 = 24174^2 + 17711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-898061797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898061707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449030898 + 449030899.

It is an arithmetic number, because the mean of its divisors is an integer number (449030899).

Almost surely, 2^898061797 is an apocalyptic number.

It is an amenable number.

898061797 is a deficient number, since it is larger than the sum of its proper divisors (1).

898061797 is an equidigital number, since it uses as much as digits as its factorization.

898061797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The square root of 898061797 is about 29967.6792061047. The cubic root of 898061797 is about 964.7958070650.

The spelling of 898061797 in words is "eight hundred ninety-eight million, sixty-one thousand, seven hundred ninety-seven".