99656267 has 4 divisors (see below), whose sum is σ = 103092720. Its totient is φ = 96219816.

The previous prime is 99656243. The next prime is 99656279. The reversal of 99656267 is 76265699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76265699 = 41 ⋅1860139.

It is a cyclic number.

It is not a de Polignac number, because 99656267 - 2⁶ = 99656203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99656867) 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 3 ways as a sum of consecutive naturals, for example, 1718183 + ... + 1718240.

It is an arithmetic number, because the mean of its divisors is an integer number (25773180).

Almost surely, 2^99656267 is an apocalyptic number.

99656267 is a deficient number, since it is larger than the sum of its proper divisors (3436453).

99656267 is a wasteful number, since it uses less digits than its factorization.

99656267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436452.

The product of its digits is 1224720, while the sum is 50.

The square root of 99656267 is about 9982.7985555154. The cubic root of 99656267 is about 463.6264504271.

The spelling of 99656267 in words is "ninety-nine million, six hundred fifty-six thousand, two hundred sixty-seven".