2206778853874 has 16 divisors (see below), whose sum is σ = 3783077476416. Its totient is φ = 945755362800.

The previous prime is 2206778853859. The next prime is 2206778853887. The reversal of 2206778853874 is 4783588776022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676389 + ... + 2687719.

It is an arithmetic number, because the mean of its divisors is an integer number (236442342276).

Almost surely, 2^{2206778853874} is an apocalyptic number.

2206778853874 is a deficient number, since it is larger than the sum of its proper divisors (1576298622542).

2206778853874 is a wasteful number, since it uses less digits than its factorization.

2206778853874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167201.

The product of its (nonzero) digits is 252887040, while the sum is 67.

The spelling of 2206778853874 in words is "two trillion, two hundred six billion, seven hundred seventy-eight million, eight hundred fifty-three thousand, eight hundred seventy-four".