98761543 has 2 divisors, whose sum is σ = 98761544. Its totient is φ = 98761542.

The previous prime is 98761541. The next prime is 98761549. The reversal of 98761543 is 34516789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98761543 - 2¹ = 98761541 is a prime.

Together with 98761541, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 98761543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98761541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49380771 + 49380772.

It is an arithmetic number, because the mean of its divisors is an integer number (49380772).

Almost surely, 2^98761543 is an apocalyptic number.

98761543 is a deficient number, since it is larger than the sum of its proper divisors (1).

98761543 is an equidigital number, since it uses as much as digits as its factorization.

98761543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 98761543 is about 9937.8842315656. The cubic root of 98761543 is about 462.2347822489.

The spelling of 98761543 in words is "ninety-eight million, seven hundred sixty-one thousand, five hundred forty-three".