99828247 has 2 divisors, whose sum is σ = 99828248. Its totient is φ = 99828246.

The previous prime is 99828181. The next prime is 99828319. The reversal of 99828247 is 74282899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99828247 - 2¹⁹ = 99303959 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99828247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99823247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49914123 + 49914124.

It is an arithmetic number, because the mean of its divisors is an integer number (49914124).

Almost surely, 2^99828247 is an apocalyptic number.

99828247 is a deficient number, since it is larger than the sum of its proper divisors (1).

99828247 is an equidigital number, since it uses as much as digits as its factorization.

99828247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 99828247 is about 9991.4086594434. The cubic root of 99828247 is about 463.8929954773.

The spelling of 99828247 in words is "ninety-nine million, eight hundred twenty-eight thousand, two hundred forty-seven".