98133587 has 2 divisors, whose sum is σ = 98133588. Its totient is φ = 98133586.

The previous prime is 98133557. The next prime is 98133589. The reversal of 98133587 is 78533189.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98133587 - 2⁶ = 98133523 is a prime.

Together with 98133589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98133589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49066793 + 49066794.

It is an arithmetic number, because the mean of its divisors is an integer number (49066794).

Almost surely, 2^98133587 is an apocalyptic number.

98133587 is a deficient number, since it is larger than the sum of its proper divisors (1).

98133587 is an equidigital number, since it uses as much as digits as its factorization.

98133587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 98133587 is about 9906.2398012566. The cubic root of 98133587 is about 461.2530219664.

The spelling of 98133587 in words is "ninety-eight million, one hundred thirty-three thousand, five hundred eighty-seven".