528285787860831 has 128 divisors (see below), whose sum is σ = 986898090737664. Its totient is φ = 242300819819520.

The previous prime is 528285787860821. The next prime is 528285787860889. The reversal of 528285787860831 is 138068787582825.

It is not a de Polignac number, because 528285787860831 - 2⁶ = 528285787860767 is a prime.

It is a super-2 number, since 2×528285787860831² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528285787860821) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2093562436 + ... + 2093814758.

It is an arithmetic number, because the mean of its divisors is an integer number (7710141333888).

Almost surely, 2^{528285787860831} is an apocalyptic number.

528285787860831 is a deficient number, since it is larger than the sum of its proper divisors (458612302876833).

528285787860831 is a wasteful number, since it uses less digits than its factorization.

528285787860831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282693.

The product of its (nonzero) digits is 2890137600, while the sum is 78.

The spelling of 528285787860831 in words is "five hundred twenty-eight trillion, two hundred eighty-five billion, seven hundred eighty-seven million, eight hundred sixty thousand, eight hundred thirty-one".