98763191 has 2 divisors, whose sum is σ = 98763192. Its totient is φ = 98763190.

The previous prime is 98763187. The next prime is 98763263. The reversal of 98763191 is 19136789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98763191 - 2² = 98763187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98763391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49381595 + 49381596.

It is an arithmetic number, because the mean of its divisors is an integer number (49381596).

Almost surely, 2^98763191 is an apocalyptic number.

98763191 is a deficient number, since it is larger than the sum of its proper divisors (1).

98763191 is an equidigital number, since it uses as much as digits as its factorization.

98763191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 44.

The square root of 98763191 is about 9937.9671462528. The cubic root of 98763191 is about 462.2373532857.

The spelling of 98763191 in words is "ninety-eight million, seven hundred sixty-three thousand, one hundred ninety-one".