99609407 has 2 divisors, whose sum is σ = 99609408. Its totient is φ = 99609406.

The previous prime is 99609373. The next prime is 99609413. The reversal of 99609407 is 70490699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99609407 - 2⁸ = 99609151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99609427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49804703 + 49804704.

It is an arithmetic number, because the mean of its divisors is an integer number (49804704).

Almost surely, 2^99609407 is an apocalyptic number.

99609407 is a deficient number, since it is larger than the sum of its proper divisors (1).

99609407 is an equidigital number, since it uses as much as digits as its factorization.

99609407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 99609407 is about 9980.4512423036. The cubic root of 99609407 is about 463.5537707979.

The spelling of 99609407 in words is "ninety-nine million, six hundred nine thousand, four hundred seven".