27795974080659 has 16 divisors (see below), whose sum is σ = 37216746293760. Its totient is φ = 18452927208800.

The previous prime is 27795974080643. The next prime is 27795974080687. The reversal of 27795974080659 is 95608047959772.

It is a cyclic number.

It is not a de Polignac number, because 27795974080659 - 2⁴ = 27795974080643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27795974080759) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 129885904 + ... + 130099730.

It is an arithmetic number, because the mean of its divisors is an integer number (2326046643360).

Almost surely, 2^{27795974080659} is an apocalyptic number.

27795974080659 is a deficient number, since it is larger than the sum of its proper divisors (9420772213101).

27795974080659 is a wasteful number, since it uses less digits than its factorization.

27795974080659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395370.

The product of its (nonzero) digits is 2400451200, while the sum is 78.

The spelling of 27795974080659 in words is "twenty-seven trillion, seven hundred ninety-five billion, nine hundred seventy-four million, eighty thousand, six hundred fifty-nine".