99842279272 has 48 divisors (see below), whose sum is σ = 196093800000. Its totient is φ = 47653954656.

The previous prime is 99842279269. The next prime is 99842279279. The reversal of 99842279272 is 27297224899.

99842279272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 99842279272.

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 11 ways as a sum of consecutive naturals, for example, 2088129 + ... + 2135407.

It is an arithmetic number, because the mean of its divisors is an integer number (4085287500).

Almost surely, 2^99842279272 is an apocalyptic number.

99842279272 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

99842279272 is the 168898-th centered heptagonal number.

It is an amenable number.

99842279272 is a deficient number, since it is larger than the sum of its proper divisors (96251520728).

99842279272 is a wasteful number, since it uses less digits than its factorization.

99842279272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47830 (or 47803 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 61.

The spelling of 99842279272 in words is "ninety-nine billion, eight hundred forty-two million, two hundred seventy-nine thousand, two hundred seventy-two".