530507778 has 16 divisors (see below), whose sum is σ = 1116858720. Its totient is φ = 167528736.

The previous prime is 530507749. The next prime is 530507779. The reversal of 530507778 is 877705035.

It is not an unprimeable number, because it can be changed into a prime (530507779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326675 + ... + 2326902.

It is an arithmetic number, because the mean of its divisors is an integer number (69803670).

Almost surely, 2^530507778 is an apocalyptic number.

530507778 is an abundant number, since it is smaller than the sum of its proper divisors (586350942).

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

530507778 is a wasteful number, since it uses less digits than its factorization.

530507778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653601.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 530507778 is about 23032.7544596820. The cubic root of 530507778 is about 809.5255963084.

The spelling of 530507778 in words is "five hundred thirty million, five hundred seven thousand, seven hundred seventy-eight".