3449778886 has 12 divisors (see below), whose sum is σ = 5201731332. Its totient is φ = 1715915136.

The previous prime is 3449778869. The next prime is 3449778887. The reversal of 3449778886 is 6888779443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3449778887) 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 5 ways as a sum of consecutive naturals, for example, 51345 + ... + 97651.

It is an arithmetic number, because the mean of its divisors is an integer number (433477611).

Almost surely, 2^3449778886 is an apocalyptic number.

3449778886 is a deficient number, since it is larger than the sum of its proper divisors (1751952446).

3449778886 is an equidigital number, since it uses as much as digits as its factorization.

3449778886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46695 (or 46502 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 64.

The square root of 3449778886 is about 58734.8183448285. The cubic root of 3449778886 is about 1510.9975260433.

The spelling of 3449778886 in words is "three billion, four hundred forty-nine million, seven hundred seventy-eight thousand, eight hundred eighty-six".