98251799 has 2 divisors, whose sum is σ = 98251800. Its totient is φ = 98251798.

The previous prime is 98251781. The next prime is 98251819. The reversal of 98251799 is 99715289.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99715289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98251799 - 2²⁴ = 81474583 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98251709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49125899 + 49125900.

It is an arithmetic number, because the mean of its divisors is an integer number (49125900).

Almost surely, 2^98251799 is an apocalyptic number.

98251799 is a deficient number, since it is larger than the sum of its proper divisors (1).

98251799 is an equidigital number, since it uses as much as digits as its factorization.

98251799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 50.

The square root of 98251799 is about 9912.2045479298. The cubic root of 98251799 is about 461.4381565523.

The spelling of 98251799 in words is "ninety-eight million, two hundred fifty-one thousand, seven hundred ninety-nine".