42800099 has 4 divisors (see below), whose sum is σ = 42868560. Its totient is φ = 42731640.

The previous prime is 42800081. The next prime is 42800111. The reversal of 42800099 is 99000824.

42800099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42800099 - 2¹² = 42796003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42800039) 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, 33284 + ... + 34545.

It is an arithmetic number, because the mean of its divisors is an integer number (10717140).

Almost surely, 2^42800099 is an apocalyptic number.

42800099 is a deficient number, since it is larger than the sum of its proper divisors (68461).

42800099 is an equidigital number, since it uses as much as digits as its factorization.

42800099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68460.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 42800099 is about 6542.1784598099. The cubic root of 42800099 is about 349.7960689557.

The spelling of 42800099 in words is "forty-two million, eight hundred thousand, ninety-nine".