551878088728 has 16 divisors (see below), whose sum is σ = 1095640323480. Its totient is φ = 259707335808.

The previous prime is 551878088687. The next prime is 551878088747. The reversal of 551878088728 is 827880878155.

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 3 ways as a sum of consecutive naturals, for example, 2028963426 + ... + 2028963697.

Almost surely, 2^551878088728 is an apocalyptic number.

It is an amenable number.

551878088728 is a deficient number, since it is larger than the sum of its proper divisors (543762234752).

551878088728 is a wasteful number, since it uses less digits than its factorization.

551878088728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057927146 (or 4057927142 counting only the distinct ones).

The product of its (nonzero) digits is 80281600, while the sum is 67.

The spelling of 551878088728 in words is "five hundred fifty-one billion, eight hundred seventy-eight million, eighty-eight thousand, seven hundred twenty-eight".