428575758 has 32 divisors (see below), whose sum is σ = 926051616. Its totient is φ = 131445888.

The previous prime is 428575757. The next prime is 428575759. The reversal of 428575758 is 857575824.

It is an interprime number because it is at equal distance from previous prime (428575757) and next prime (428575759).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 428575758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428575757) 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 15 ways as a sum of consecutive naturals, for example, 16060 + ... + 33392.

It is an arithmetic number, because the mean of its divisors is an integer number (28939113).

Almost surely, 2^428575758 is an apocalyptic number.

428575758 is an abundant number, since it is smaller than the sum of its proper divisors (497475858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428575758 is a wasteful number, since it uses less digits than its factorization.

428575758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17668.

The product of its digits is 3136000, while the sum is 51.

The square root of 428575758 is about 20702.0713456408. The cubic root of 428575758 is about 753.9499799130.

The spelling of 428575758 in words is "four hundred twenty-eight million, five hundred seventy-five thousand, seven hundred fifty-eight".