898089911 has 2 divisors, whose sum is σ = 898089912. Its totient is φ = 898089910.

The previous prime is 898089887. The next prime is 898089919. The reversal of 898089911 is 119980898.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-898089911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898089919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449044955 + 449044956.

It is an arithmetic number, because the mean of its divisors is an integer number (449044956).

Almost surely, 2^898089911 is an apocalyptic number.

898089911 is a deficient number, since it is larger than the sum of its proper divisors (1).

898089911 is an equidigital number, since it uses as much as digits as its factorization.

898089911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 53.

The square root of 898089911 is about 29968.1482744597. The cubic root of 898089911 is about 964.8058746670.

The spelling of 898089911 in words is "eight hundred ninety-eight million, eighty-nine thousand, nine hundred eleven".