3208020978 has 16 divisors (see below), whose sum is σ = 6422489280. Its totient is φ = 1068265776.

The previous prime is 3208020943. The next prime is 3208020997. The reversal of 3208020978 is 8790208023.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 262158 + ... + 274121.

It is an arithmetic number, because the mean of its divisors is an integer number (401405580).

Almost surely, 2^3208020978 is an apocalyptic number.

3208020978 is an abundant number, since it is smaller than the sum of its proper divisors (3214468302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3208020978 is a wasteful number, since it uses less digits than its factorization.

3208020978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537281.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3208020978 is about 56639.3942234555. The cubic root of 3208020978 is about 1474.8428028203.

The spelling of 3208020978 in words is "three billion, two hundred eight million, twenty thousand, nine hundred seventy-eight".