99437543 has 8 divisors (see below), whose sum is σ = 102326400. Its totient is φ = 96574968.

The previous prime is 99437519. The next prime is 99437563. The reversal of 99437543 is 34573499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99437543 - 2¹² = 99433447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99437494 and 99437503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99437563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238 + ... + 14156.

It is an arithmetic number, because the mean of its divisors is an integer number (12790800).

Almost surely, 2^99437543 is an apocalyptic number.

99437543 is a deficient number, since it is larger than the sum of its proper divisors (2888857).

99437543 is a wasteful number, since it uses less digits than its factorization.

99437543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141.

The product of its digits is 408240, while the sum is 44.

The square root of 99437543 is about 9971.8374936618. The cubic root of 99437543 is about 463.2870153079.

The spelling of 99437543 in words is "ninety-nine million, four hundred thirty-seven thousand, five hundred forty-three".