99992869 has 2 divisors, whose sum is σ = 99992870. Its totient is φ = 99992868.

The previous prime is 99992843. The next prime is 99992897. The reversal of 99992869 is 96829999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 14152644 = 9265^2 + 3762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99992869 is a prime.

It is a super-2 number, since 2×99992869² = 19997147701702322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99995869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996434 + 49996435.

It is an arithmetic number, because the mean of its divisors is an integer number (49996435).

Almost surely, 2^99992869 is an apocalyptic number.

It is an amenable number.

99992869 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992869 is an equidigital number, since it uses as much as digits as its factorization.

99992869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 61.

The square root of 99992869 is about 9999.6434436434. The cubic root of 99992869 is about 464.1478500424.

The spelling of 99992869 in words is "ninety-nine million, nine hundred ninety-two thousand, eight hundred sixty-nine".