27403068828 has 12 divisors (see below), whose sum is σ = 63940493960. Its totient is φ = 9134356272.

The previous prime is 27403068821. The next prime is 27403068883. The reversal of 27403068828 is 82886030472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27403068821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141794523 + ... + 1141794546.

Almost surely, 2^27403068828 is an apocalyptic number.

It is an amenable number.

27403068828 is an abundant number, since it is smaller than the sum of its proper divisors (36537425132).

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

27403068828 is a wasteful number, since it uses less digits than its factorization.

27403068828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283589076 (or 2283589074 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 27403068828 in words is "twenty-seven billion, four hundred three million, sixty-eight thousand, eight hundred twenty-eight".