99802379 has 2 divisors, whose sum is σ = 99802380. Its totient is φ = 99802378.

The previous prime is 99802331. The next prime is 99802387. The reversal of 99802379 is 97320899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99802379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99802319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49901189 + 49901190.

It is an arithmetic number, because the mean of its divisors is an integer number (49901190).

Almost surely, 2^99802379 is an apocalyptic number.

99802379 is a deficient number, since it is larger than the sum of its proper divisors (1).

99802379 is an equidigital number, since it uses as much as digits as its factorization.

99802379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 99802379 is about 9990.1140634129. The cubic root of 99802379 is about 463.8529232499.

The spelling of 99802379 in words is "ninety-nine million, eight hundred two thousand, three hundred seventy-nine".