5028878654285 has 16 divisors (see below), whose sum is σ = 6197834026416. Its totient is φ = 3914319333888.

The previous prime is 5028878654281. The next prime is 5028878654323. The reversal of 5028878654285 is 5824568788205.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 134368432969 + 4894510221316 = 366563^2 + 2212354^2 .

It is a cyclic number.

It is not a de Polignac number, because 5028878654285 - 2² = 5028878654281 is a prime.

It is a super-2 number, since 2×5028878654285² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5028878654281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20598089 + ... + 20840801.

It is an arithmetic number, because the mean of its divisors is an integer number (387364626651).

Almost surely, 2^{5028878654285} is an apocalyptic number.

It is an amenable number.

5028878654285 is a deficient number, since it is larger than the sum of its proper divisors (1168955372131).

5028878654285 is a wasteful number, since it uses less digits than its factorization.

5028878654285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354752.

The product of its (nonzero) digits is 344064000, while the sum is 68.

The spelling of 5028878654285 in words is "five trillion, twenty-eight billion, eight hundred seventy-eight million, six hundred fifty-four thousand, two hundred eighty-five".