27800028005528 has 32 divisors (see below), whose sum is σ = 54870462817200. Its totient is φ = 13167957560832.

The previous prime is 27800028005479. The next prime is 27800028005551. The reversal of 27800028005528 is 82550082000872.

It is a super-2 number, since 2×27800028005528² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 919076 + ... + 7512972.

Almost surely, 2^{27800028005528} is an apocalyptic number.

It is an amenable number.

27800028005528 is a deficient number, since it is larger than the sum of its proper divisors (27070434811672).

27800028005528 is a wasteful number, since it uses less digits than its factorization.

27800028005528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621659 (or 6621655 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 27800028005528 in words is "twenty-seven trillion, eight hundred billion, twenty-eight million, five thousand, five hundred twenty-eight".