99959802271 has 8 divisors (see below), whose sum is σ = 114244673184. Its totient is φ = 85676156160.

The previous prime is 99959802259. The next prime is 99959802277. The reversal of 99959802271 is 17220895999.

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

It is a de Polignac number, because none of the positive numbers 2^k-99959802271 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 (99959802277) 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, 124090 + ... + 464023.

It is an arithmetic number, because the mean of its divisors is an integer number (14280584148).

Almost surely, 2^99959802271 is an apocalyptic number.

99959802271 is a deficient number, since it is larger than the sum of its proper divisors (14284870913).

99959802271 is a wasteful number, since it uses less digits than its factorization.

99959802271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612401.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 99959802271 in words is "ninety-nine billion, nine hundred fifty-nine million, eight hundred two thousand, two hundred seventy-one".