99057643 has 2 divisors, whose sum is σ = 99057644. Its totient is φ = 99057642.

The previous prime is 99057611. The next prime is 99057667. The reversal of 99057643 is 34675099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99057643 - 2⁵ = 99057611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99057643.

It is not a weakly prime, because it can be changed into another prime (99057143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49528821 + 49528822.

It is an arithmetic number, because the mean of its divisors is an integer number (49528822).

Almost surely, 2^99057643 is an apocalyptic number.

99057643 is a deficient number, since it is larger than the sum of its proper divisors (1).

99057643 is an equidigital number, since it uses as much as digits as its factorization.

99057643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 99057643 is about 9952.7706192798. The cubic root of 99057643 is about 462.6962680993.

The spelling of 99057643 in words is "ninety-nine million, fifty-seven thousand, six hundred forty-three".