99208743 has 4 divisors (see below), whose sum is σ = 132278328. Its totient is φ = 66139160.

The previous prime is 99208741. The next prime is 99208751. The reversal of 99208743 is 34780299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34780299 = 3 ⋅11593433.

It is a cyclic number.

It is not a de Polignac number, because 99208743 - 2¹ = 99208741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99208695 and 99208704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99208741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16534788 + ... + 16534793.

It is an arithmetic number, because the mean of its divisors is an integer number (33069582).

Almost surely, 2^99208743 is an apocalyptic number.

99208743 is a deficient number, since it is larger than the sum of its proper divisors (33069585).

99208743 is a wasteful number, since it uses less digits than its factorization.

99208743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33069584.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 99208743 is about 9960.3585778826. The cubic root of 99208743 is about 462.9314102719.

The spelling of 99208743 in words is "ninety-nine million, two hundred eight thousand, seven hundred forty-three".