99679511 has 2 divisors, whose sum is σ = 99679512. Its totient is φ = 99679510.

The previous prime is 99679501. The next prime is 99679561. The reversal of 99679511 is 11597699.

It is a weak prime.

It is an emirp because it is prime and its reverse (11597699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99679511 - 2¹⁴ = 99663127 is a prime.

It is a super-3 number, since 3×99679511³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99679501) 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, 49839755 + 49839756.

It is an arithmetic number, because the mean of its divisors is an integer number (49839756).

Almost surely, 2^99679511 is an apocalyptic number.

99679511 is a deficient number, since it is larger than the sum of its proper divisors (1).

99679511 is an equidigital number, since it uses as much as digits as its factorization.

99679511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 47.

The square root of 99679511 is about 9983.9626902348. The cubic root of 99679511 is about 463.6624933033.

The spelling of 99679511 in words is "ninety-nine million, six hundred seventy-nine thousand, five hundred eleven".