3628316978 has 16 divisors (see below), whose sum is σ = 6393957696. Its totient is φ = 1522370640.

The previous prime is 3628316947. The next prime is 3628317019. The reversal of 3628316978 is 8796138263.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6342926 + ... + 6343497.

It is an arithmetic number, because the mean of its divisors is an integer number (399622356).

Almost surely, 2^3628316978 is an apocalyptic number.

3628316978 is a deficient number, since it is larger than the sum of its proper divisors (2765640718).

3628316978 is a wasteful number, since it uses less digits than its factorization.

3628316978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686449.

The product of its digits is 2612736, while the sum is 53.

The square root of 3628316978 is about 60235.5125984664. The cubic root of 3628316978 is about 1536.6268128708.

The spelling of 3628316978 in words is "three billion, six hundred twenty-eight million, three hundred sixteen thousand, nine hundred seventy-eight".