98279563 has 2 divisors, whose sum is σ = 98279564. Its totient is φ = 98279562.

The previous prime is 98279551. The next prime is 98279611. The reversal of 98279563 is 36597289.

It is a weak prime.

It is an emirp because it is prime and its reverse (36597289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98279563 - 2²⁵ = 64725131 is a prime.

It is not a weakly prime, because it can be changed into another prime (98279513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49139781 + 49139782.

It is an arithmetic number, because the mean of its divisors is an integer number (49139782).

Almost surely, 2^98279563 is an apocalyptic number.

98279563 is a deficient number, since it is larger than the sum of its proper divisors (1).

98279563 is an equidigital number, since it uses as much as digits as its factorization.

98279563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 98279563 is about 9913.6049447212. The cubic root of 98279563 is about 461.4816168673.

The spelling of 98279563 in words is "ninety-eight million, two hundred seventy-nine thousand, five hundred sixty-three".