530276778 has 48 divisors (see below), whose sum is σ = 1173968640. Its totient is φ = 172936512.

The previous prime is 530276771. The next prime is 530276779. The reversal of 530276778 is 877672035.

It is a super-2 number, since 2×530276778² = 562386922572122568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530276771) 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 23 ways as a sum of consecutive naturals, for example, 246375 + ... + 248517.

It is an arithmetic number, because the mean of its divisors is an integer number (24457680).

Almost surely, 2^530276778 is an apocalyptic number.

530276778 is an abundant number, since it is smaller than the sum of its proper divisors (643691862).

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

530276778 is a wasteful number, since it uses less digits than its factorization.

530276778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 530276778 is about 23027.7393158773. The cubic root of 530276778 is about 809.4080814989.

The spelling of 530276778 in words is "five hundred thirty million, two hundred seventy-six thousand, seven hundred seventy-eight".