828394565493828 has 96 divisors (see below), whose sum is σ = 2004977160805248. Its totient is φ = 265987148544000.

The previous prime is 828394565493763. The next prime is 828394565493857.

828394565493828 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×828394565493828² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564795276 + ... + 566260092.

It is an arithmetic number, because the mean of its divisors is an integer number (20885178758388).

Almost surely, 2^{828394565493828} is an apocalyptic number.

It is an amenable number.

828394565493828 is an abundant number, since it is smaller than the sum of its proper divisors (1176582595311420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828394565493828 is a wasteful number, since it uses less digits than its factorization.

828394565493828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477573 (or 1477571 counting only the distinct ones).

The product of its digits is 28665446400, while the sum is 84.

The spelling of 828394565493828 in words is "eight hundred twenty-eight trillion, three hundred ninety-four billion, five hundred sixty-five million, four hundred ninety-three thousand, eight hundred twenty-eight".