99809948371 has 8 divisors (see below), whose sum is σ = 114070465280. Its totient is φ = 85549919688.

The previous prime is 99809948351. The next prime is 99809948377. The reversal of 99809948371 is 17384990899.

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 99809948371 - 2⁵ = 99809948339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99809948297 and 99809948306.

It is not an unprimeable number, because it can be changed into a prime (99809948377) 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, 603850 + ... + 751168.

It is an arithmetic number, because the mean of its divisors is an integer number (14258808160).

Almost surely, 2^99809948371 is an apocalyptic number.

99809948371 is a deficient number, since it is larger than the sum of its proper divisors (14260516909).

99809948371 is a wasteful number, since it uses less digits than its factorization.

99809948371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244113.

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 99809948371 in words is "ninety-nine billion, eight hundred nine million, nine hundred forty-eight thousand, three hundred seventy-one".