2786794055505 has 96 divisors (see below), whose sum is σ = 5068499095296. Its totient is φ = 1413782802432.

The previous prime is 2786794055503. The next prime is 2786794055527. The reversal of 2786794055505 is 5055504976872.

2786794055505 is a `hidden beast` number, since 2 + 7 + 8 + 6 + 79 + 4 + 0 + 5 + 550 + 5 = 666.

It is not a de Polignac number, because 2786794055505 - 2¹ = 2786794055503 is a prime.

It is a super-2 number, since 2×2786794055505² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2786794055501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140262582 + ... + 140282448.

It is an arithmetic number, because the mean of its divisors is an integer number (52796865576).

Almost surely, 2^{2786794055505} is an apocalyptic number.

It is an amenable number.

2786794055505 is a deficient number, since it is larger than the sum of its proper divisors (2281705039791).

2786794055505 is a wasteful number, since it uses less digits than its factorization.

2786794055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647 (or 20644 counting only the distinct ones).

The product of its (nonzero) digits is 105840000, while the sum is 63.

The spelling of 2786794055505 in words is "two trillion, seven hundred eighty-six billion, seven hundred ninety-four million, fifty-five thousand, five hundred five".