27826645219038 has 32 divisors (see below), whose sum is σ = 61937211474720. Its totient is φ = 9260515091520.

The previous prime is 27826645219003. The next prime is 27826645219067. The reversal of 27826645219038 is 83091254662872.

27826645219038 is a `hidden beast` number, since 2 + 7 + 8 + 2 + 66 + 452 + 1 + 90 + 38 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417558453 + ... + 417625088.

It is an arithmetic number, because the mean of its divisors is an integer number (1935537858585).

It is a 1-persistent number, because it is pandigital, but 2⋅27826645219038 = 55653290438076 is not.

Almost surely, 2^{27826645219038} is an apocalyptic number.

27826645219038 is an abundant number, since it is smaller than the sum of its proper divisors (34110566255682).

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

27826645219038 is a wasteful number, since it uses less digits than its factorization.

27826645219038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835184169 (or 835184163 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 27826645219038 in words is "twenty-seven trillion, eight hundred twenty-six billion, six hundred forty-five million, two hundred nineteen thousand, thirty-eight".