99272771 has 8 divisors (see below), whose sum is σ = 110596080. Its totient is φ = 88476192.

The previous prime is 99272753. The next prime is 99272779. The reversal of 99272771 is 17727299.

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 99272771 - 2²⁶ = 32163907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99272779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131285 + ... + 132038.

It is an arithmetic number, because the mean of its divisors is an integer number (13824510).

Almost surely, 2^99272771 is an apocalyptic number.

99272771 is a deficient number, since it is larger than the sum of its proper divisors (11323309).

99272771 is a wasteful number, since it uses less digits than its factorization.

99272771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263365.

The product of its digits is 111132, while the sum is 44.

The square root of 99272771 is about 9963.5722007722. The cubic root of 99272771 is about 463.0309787749.

The spelling of 99272771 in words is "ninety-nine million, two hundred seventy-two thousand, seven hundred seventy-one".