99996679 has 2 divisors, whose sum is σ = 99996680. Its totient is φ = 99996678.

The previous prime is 99996671. The next prime is 99996691. The reversal of 99996679 is 97669999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99996679 - 2³ = 99996671 is a prime.

It is a super-2 number, since 2×99996679² = 19998671622058082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99996679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99996671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49998339 + 49998340.

It is an arithmetic number, because the mean of its divisors is an integer number (49998340).

Almost surely, 2^99996679 is an apocalyptic number.

99996679 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996679 is an equidigital number, since it uses as much as digits as its factorization.

99996679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14880348, while the sum is 64.

The square root of 99996679 is about 9999.8339486213. The cubic root of 99996679 is about 464.1537450656.

The spelling of 99996679 in words is "ninety-nine million, nine hundred ninety-six thousand, six hundred seventy-nine".