27552802780 has 24 divisors (see below), whose sum is σ = 59272128720. Its totient is φ = 10752312960.

The previous prime is 27552802729. The next prime is 27552802801. The reversal of 27552802780 is 8720825572.

It is a self number, because there is not a number n which added to its sum of digits gives 27552802780.

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, 16799670 + ... + 16801309.

It is an arithmetic number, because the mean of its divisors is an integer number (2469672030).

Almost surely, 2^27552802780 is an apocalyptic number.

27552802780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27552802780 is an abundant number, since it is smaller than the sum of its proper divisors (31719325940).

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

27552802780 is a wasteful number, since it uses less digits than its factorization.

27552802780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33601029 (or 33601027 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 27552802780 in words is "twenty-seven billion, five hundred fifty-two million, eight hundred two thousand, seven hundred eighty".