99802961 has 2 divisors, whose sum is σ = 99802962. Its totient is φ = 99802960.

The previous prime is 99802951. The next prime is 99803017. The reversal of 99802961 is 16920899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80442961 + 19360000 = 8969^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 99802961 - 2¹⁰ = 99801937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99802921) 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, 49901480 + 49901481.

It is an arithmetic number, because the mean of its divisors is an integer number (49901481).

Almost surely, 2^99802961 is an apocalyptic number.

It is an amenable number.

99802961 is a deficient number, since it is larger than the sum of its proper divisors (1).

99802961 is an equidigital number, since it uses as much as digits as its factorization.

99802961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 99802961 is about 9990.1431921670. The cubic root of 99802961 is about 463.8538249047.

The spelling of 99802961 in words is "ninety-nine million, eight hundred two thousand, nine hundred sixty-one".