530278878305761 has 16 divisors (see below), whose sum is σ = 574448715565200. Its totient is φ = 486592547569920.

The previous prime is 530278878305677. The next prime is 530278878305773. The reversal of 530278878305761 is 167503878872035.

It can be written as a sum of positive squares in 8 ways, for example, as 4460041358161 + 525818836947600 = 2111881^2 + 22930740^2 .

It is a cyclic number.

It is not a de Polignac number, because 530278878305761 - 2²⁷ = 530278744088033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530278879305761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485971 + ... + 32569831.

It is an arithmetic number, because the mean of its divisors is an integer number (35903044722825).

Almost surely, 2^{530278878305761} is an apocalyptic number.

It is an amenable number.

530278878305761 is a deficient number, since it is larger than the sum of its proper divisors (44169837259439).

530278878305761 is a wasteful number, since it uses less digits than its factorization.

530278878305761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32091396.

The product of its (nonzero) digits is 474163200, while the sum is 70.

The spelling of 530278878305761 in words is "five hundred thirty trillion, two hundred seventy-eight billion, eight hundred seventy-eight million, three hundred five thousand, seven hundred sixty-one".