99842279271 has 16 divisors (see below), whose sum is σ = 152145120000. Its totient is φ = 57051042048.

The previous prime is 99842279269. The next prime is 99842279279. The reversal of 99842279271 is 17297224899.

It is not a de Polignac number, because 99842279271 - 2¹ = 99842279269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99842279279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140055 + ... + 1224503.

It is an arithmetic number, because the mean of its divisors is an integer number (9509070000).

Almost surely, 2^99842279271 is an apocalyptic number.

99842279271 is a deficient number, since it is larger than the sum of its proper divisors (52302840729).

99842279271 is a wasteful number, since it uses less digits than its factorization.

99842279271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140758.

The product of its digits is 9144576, while the sum is 60.

The spelling of 99842279271 in words is "ninety-nine billion, eight hundred forty-two million, two hundred seventy-nine thousand, two hundred seventy-one".