99957443 has 2 divisors, whose sum is σ = 99957444. Its totient is φ = 99957442.

The previous prime is 99957437. The next prime is 99957449. The reversal of 99957443 is 34475999.

It is a balanced prime because it is at equal distance from previous prime (99957437) and next prime (99957449).

It is a cyclic number.

It is not a de Polignac number, because 99957443 - 2¹⁴ = 99941059 is a prime.

It is a super-2 number, since 2×99957443² = 19982980822196498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99957391 and 99957400.

It is not a weakly prime, because it can be changed into another prime (99957449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49978721 + 49978722.

It is an arithmetic number, because the mean of its divisors is an integer number (49978722).

Almost surely, 2^99957443 is an apocalyptic number.

99957443 is a deficient number, since it is larger than the sum of its proper divisors (1).

99957443 is an equidigital number, since it uses as much as digits as its factorization.

99957443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 99957443 is about 9997.8719235645. The cubic root of 99957443 is about 464.0930299867.

The spelling of 99957443 in words is "ninety-nine million, nine hundred fifty-seven thousand, four hundred forty-three".