828655556828 has 12 divisors (see below), whose sum is σ = 1581978790392. Its totient is φ = 376661616720.

The previous prime is 828655556797. The next prime is 828655556837.

828655556828 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416540375 + ... + 9416540462.

It is an arithmetic number, because the mean of its divisors is an integer number (131831565866).

Almost surely, 2^828655556828 is an apocalyptic number.

It is an amenable number.

828655556828 is a deficient number, since it is larger than the sum of its proper divisors (753323233564).

828655556828 is a wasteful number, since it uses less digits than its factorization.

828655556828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833080852 (or 18833080850 counting only the distinct ones).

The product of its digits is 368640000, while the sum is 68.

The spelling of 828655556828 in words is "eight hundred twenty-eight billion, six hundred fifty-five million, five hundred fifty-six thousand, eight hundred twenty-eight".