528777663241 has 9 divisors (see below), whose sum is σ = 530214808039. Its totient is φ = 527344409200.

The previous prime is 528777663233. The next prime is 528777663247. The reversal of 528777663241 is 142366777825.

The square root of 528777663241 is 727171.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 226365656841 + 302412006400 = 475779^2 + 549920^2 .

It is not a de Polignac number, because 528777663241 - 2³ = 528777663233 is a prime.

It is a super-2 number, since 2×528777663241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528777663247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 357040221 + ... + 357041701.

Almost surely, 2^528777663241 is an apocalyptic number.

528777663241 is the 727171-st square number.

528777663241 is the 363586-th centered octagonal number.

It is an amenable number.

528777663241 is a deficient number, since it is larger than the sum of its proper divisors (1437144798).

528777663241 is an frugal number, since it uses more digits than its factorization.

528777663241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 1972 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 58.

The spelling of 528777663241 in words is "five hundred twenty-eight billion, seven hundred seventy-seven million, six hundred sixty-three thousand, two hundred forty-one".