99708619 has 2 divisors, whose sum is σ = 99708620. Its totient is φ = 99708618.

The previous prime is 99708607. The next prime is 99708671. The reversal of 99708619 is 91680799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99708619 - 2⁹ = 99708107 is a prime.

It is a super-2 number, since 2×99708619² = 19883617405774322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99708419) 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, 49854309 + 49854310.

It is an arithmetic number, because the mean of its divisors is an integer number (49854310).

Almost surely, 2^99708619 is an apocalyptic number.

99708619 is a deficient number, since it is larger than the sum of its proper divisors (1).

99708619 is an equidigital number, since it uses as much as digits as its factorization.

99708619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 99708619 is about 9985.4203216490. The cubic root of 99708619 is about 463.7076211810.

The spelling of 99708619 in words is "ninety-nine million, seven hundred eight thousand, six hundred nineteen".