99731598843 has 8 divisors (see below), whose sum is σ = 132988170256. Its totient is φ = 66481380000.

The previous prime is 99731598839. The next prime is 99731598847. The reversal of 99731598843 is 34889513799.

It is an interprime number because it is at equal distance from previous prime (99731598839) and next prime (99731598847).

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

It is not a de Polignac number, because 99731598843 - 2² = 99731598839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99731598847) 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, 1551388 + ... + 1614393.

It is an arithmetic number, because the mean of its divisors is an integer number (16623521282).

Almost surely, 2^99731598843 is an apocalyptic number.

99731598843 is a deficient number, since it is larger than the sum of its proper divisors (33256571413).

99731598843 is a wasteful number, since it uses less digits than its factorization.

99731598843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176285.

The product of its digits is 58786560, while the sum is 66.

The spelling of 99731598843 in words is "ninety-nine billion, seven hundred thirty-one million, five hundred ninety-eight thousand, eight hundred forty-three".