98512889 has 2 divisors, whose sum is σ = 98512890. Its totient is φ = 98512888.

The previous prime is 98512879. The next prime is 98512901. The reversal of 98512889 is 98821589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93760489 + 4752400 = 9683^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 98512889 - 2¹⁶ = 98447353 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98512819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49256444 + 49256445.

It is an arithmetic number, because the mean of its divisors is an integer number (49256445).

Almost surely, 2^98512889 is an apocalyptic number.

It is an amenable number.

98512889 is a deficient number, since it is larger than the sum of its proper divisors (1).

98512889 is an equidigital number, since it uses as much as digits as its factorization.

98512889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 50.

The square root of 98512889 is about 9925.3659378383. The cubic root of 98512889 is about 461.8465301737.

The spelling of 98512889 in words is "ninety-eight million, five hundred twelve thousand, eight hundred eighty-nine".