989898527 has 2 divisors, whose sum is σ = 989898528. Its totient is φ = 989898526.

The previous prime is 989898517. The next prime is 989898589. The reversal of 989898527 is 725898989.

989898527 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 is a cyclic number.

It is not a de Polignac number, because 989898527 - 2⁶ = 989898463 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989898517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494949263 + 494949264.

It is an arithmetic number, because the mean of its divisors is an integer number (494949264).

Almost surely, 2^989898527 is an apocalyptic number.

989898527 is a deficient number, since it is larger than the sum of its proper divisors (1).

989898527 is an equidigital number, since it uses as much as digits as its factorization.

989898527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 65.

The square root of 989898527 is about 31462.6528919607. The cubic root of 989898527 is about 996.6214405242.

The spelling of 989898527 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, five hundred twenty-seven".