3084778642 has 16 divisors (see below), whose sum is σ = 5050762272. Its totient is φ = 1401354720.

The previous prime is 3084778559. The next prime is 3084778643. The reversal of 3084778642 is 2468774803.

It is not an unprimeable number, because it can be changed into a prime (3084778643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428 + ... + 78559.

It is an arithmetic number, because the mean of its divisors is an integer number (315672642).

Almost surely, 2^3084778642 is an apocalyptic number.

3084778642 is a deficient number, since it is larger than the sum of its proper divisors (1965983630).

3084778642 is a wasteful number, since it uses less digits than its factorization.

3084778642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81753.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The square root of 3084778642 is about 55540.7835918796. The cubic root of 3084778642 is about 1455.7093398105.

The spelling of 3084778642 in words is "three billion, eighty-four million, seven hundred seventy-eight thousand, six hundred forty-two".