99307587829 has 2 divisors, whose sum is σ = 99307587830. Its totient is φ = 99307587828.

The previous prime is 99307587809. The next prime is 99307587877. The reversal of 99307587829 is 92878570399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80900424900 + 18407162929 = 284430^2 + 135673^2 .

It is a cyclic number.

It is not a de Polignac number, because 99307587829 - 2⁹ = 99307587317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99307587809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49653793914 + 49653793915.

It is an arithmetic number, because the mean of its divisors is an integer number (49653793915).

Almost surely, 2^99307587829 is an apocalyptic number.

It is an amenable number.

99307587829 is a deficient number, since it is larger than the sum of its proper divisors (1).

99307587829 is an equidigital number, since it uses as much as digits as its factorization.

99307587829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 99307587829 in words is "ninety-nine billion, three hundred seven million, five hundred eighty-seven thousand, eight hundred twenty-nine".