99742888943 has 8 divisors (see below), whose sum is σ = 100757553600. Its totient is φ = 98733260448.

The previous prime is 99742888909. The next prime is 99742888961. The reversal of 99742888943 is 34988824799.

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 99742888943 - 2¹⁰ = 99742887919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99742888043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219223 + ... + 1298456.

It is an arithmetic number, because the mean of its divisors is an integer number (12594694200).

Almost surely, 2^99742888943 is an apocalyptic number.

99742888943 is a deficient number, since it is larger than the sum of its proper divisors (1014664657).

99742888943 is a wasteful number, since it uses less digits than its factorization.

99742888943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518081.

The product of its digits is 250822656, while the sum is 71.

The spelling of 99742888943 in words is "ninety-nine billion, seven hundred forty-two million, eight hundred eighty-eight thousand, nine hundred forty-three".