828563360438 has 24 divisors (see below), whose sum is σ = 1366229274480. Its totient is φ = 376584731600.

The previous prime is 828563360407. The next prime is 828563360467. The reversal of 828563360438 is 834063365828.

It is a super-2 number, since 2×828563360438² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2547068 + ... + 2853888.

It is an arithmetic number, because the mean of its divisors is an integer number (56926219770).

Almost surely, 2^828563360438 is an apocalyptic number.

828563360438 is a deficient number, since it is larger than the sum of its proper divisors (537665914042).

828563360438 is a wasteful number, since it uses less digits than its factorization.

828563360438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318004 (or 317993 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 828563360438 in words is "eight hundred twenty-eight billion, five hundred sixty-three million, three hundred sixty thousand, four hundred thirty-eight".