27798792370452 has 18 divisors (see below), whose sum is σ = 70269169603178. Its totient is φ = 9266264123472.

The previous prime is 27798792370441. The next prime is 27798792370501. The reversal of 27798792370452 is 25407329789772.

27798792370452 is a `hidden beast` number, since 2 + 7 + 7 + 9 + 87 + 9 + 23 + 70 + 452 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23450716648836 + 4348075721616 = 4842594^2 + 2085204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 386094338443 + ... + 386094338514.

Almost surely, 2^{27798792370452} is an apocalyptic number.

It is an amenable number.

27798792370452 is an abundant number, since it is smaller than the sum of its proper divisors (42470377232726).

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

27798792370452 is a wasteful number, since it uses less digits than its factorization.

27798792370452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772188676967 (or 772188676962 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 27798792370452 in words is "twenty-seven trillion, seven hundred ninety-eight billion, seven hundred ninety-two million, three hundred seventy thousand, four hundred fifty-two".