99758849 has 2 divisors, whose sum is σ = 99758850. Its totient is φ = 99758848.

The previous prime is 99758833. The next prime is 99758903. The reversal of 99758849 is 94885799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 7118224 = 9625^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 99758849 - 2⁴ = 99758833 is a prime.

It is not a weakly prime, because it can be changed into another prime (99758809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49879424 + 49879425.

It is an arithmetic number, because the mean of its divisors is an integer number (49879425).

Almost surely, 2^99758849 is an apocalyptic number.

It is an amenable number.

99758849 is a deficient number, since it is larger than the sum of its proper divisors (1).

99758849 is an equidigital number, since it uses as much as digits as its factorization.

99758849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 59.

The square root of 99758849 is about 9987.9351719963. The cubic root of 99758849 is about 463.7854751114.

The spelling of 99758849 in words is "ninety-nine million, seven hundred fifty-eight thousand, eight hundred forty-nine".