99676589 has 2 divisors, whose sum is σ = 99676590. Its totient is φ = 99676588.

The previous prime is 99676583. The next prime is 99676607. The reversal of 99676589 is 98567699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99102025 + 574564 = 9955^2 + 758^2 .

It is an emirp because it is prime and its reverse (98567699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99676589 - 2⁴ = 99676573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99676583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49838294 + 49838295.

It is an arithmetic number, because the mean of its divisors is an integer number (49838295).

Almost surely, 2^99676589 is an apocalyptic number.

It is an amenable number.

99676589 is a deficient number, since it is larger than the sum of its proper divisors (1).

99676589 is an equidigital number, since it uses as much as digits as its factorization.

99676589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 59.

The square root of 99676589 is about 9983.8163544809. The cubic root of 99676589 is about 463.6579626662.

The spelling of 99676589 in words is "ninety-nine million, six hundred seventy-six thousand, five hundred eighty-nine".