27804091036005 has 12 divisors (see below), whose sum is σ = 48193757795820. Its totient is φ = 14828848552512.

The previous prime is 27804091035977. The next prime is 27804091036013. The reversal of 27804091036005 is 50063019040872.

27804091036005 is a `hidden beast` number, since 2 + 7 + 80 + 409 + 103 + 60 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11905936448004 + 15898154588001 = 3450498^2 + 3987249^2 .

It is not a de Polignac number, because 27804091036005 - 2¹⁵ = 27804091003237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 617868689689 = 27804091036005 / (2 + 7 + 8 + 0 + 4 + 0 + 9 + 1 + 0 + 3 + 6 + 0 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308934344800 + ... + 308934344889.

It is an arithmetic number, because the mean of its divisors is an integer number (4016146482985).

It is a 1-persistent number, because it is pandigital, but 2⋅27804091036005 = 55608182072010 is not.

Almost surely, 2^{27804091036005} is an apocalyptic number.

It is an amenable number.

27804091036005 is a deficient number, since it is larger than the sum of its proper divisors (20389666759815).

27804091036005 is a wasteful number, since it uses less digits than its factorization.

27804091036005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617868689700 (or 617868689697 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 27804091036005 in words is "twenty-seven trillion, eight hundred four billion, ninety-one million, thirty-six thousand, five".