42908799 has 8 divisors (see below), whose sum is σ = 60577200. Its totient is φ = 26923136.

The previous prime is 42908773. The next prime is 42908807. The reversal of 42908799 is 99780924.

It is a happy number.

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 42908799 - 2⁹ = 42908287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42903799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420624 + ... + 420725.

It is an arithmetic number, because the mean of its divisors is an integer number (7572150).

Almost surely, 2^42908799 is an apocalyptic number.

42908799 is a deficient number, since it is larger than the sum of its proper divisors (17668401).

42908799 is a wasteful number, since it uses less digits than its factorization.

42908799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841369.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 42908799 is about 6550.4808220466. The cubic root of 42908799 is about 350.0919459115.

The spelling of 42908799 in words is "forty-two million, nine hundred eight thousand, seven hundred ninety-nine".