428787119 has 8 divisors (see below), whose sum is σ = 437186160. Its totient is φ = 420399616.

The previous prime is 428787113. The next prime is 428787187. The reversal of 428787119 is 911787824.

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 428787119 - 2⁴ = 428787103 is a prime.

It is a super-2 number, since 2×428787119² = 367716786840640322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428787113) 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, 135119 + ... + 138255.

It is an arithmetic number, because the mean of its divisors is an integer number (54648270).

Almost surely, 2^428787119 is an apocalyptic number.

428787119 is a deficient number, since it is larger than the sum of its proper divisors (8399041).

428787119 is a wasteful number, since it uses less digits than its factorization.

428787119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769.

The product of its digits is 225792, while the sum is 47.

The square root of 428787119 is about 20707.1755437578. The cubic root of 428787119 is about 754.0739015529.

The spelling of 428787119 in words is "four hundred twenty-eight million, seven hundred eighty-seven thousand, one hundred nineteen".