3823280778 has 32 divisors (see below), whose sum is σ = 7902167040. Its totient is φ = 1231919280.

The previous prime is 3823280717. The next prime is 3823280843. The reversal of 3823280778 is 8770823283.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159751 + ... + 182117.

It is an arithmetic number, because the mean of its divisors is an integer number (246942720).

Almost surely, 2^3823280778 is an apocalyptic number.

3823280778 is an abundant number, since it is smaller than the sum of its proper divisors (4078886262).

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

3823280778 is a wasteful number, since it uses less digits than its factorization.

3823280778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23322.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 3823280778 is about 61832.6837360307. The cubic root of 3823280778 is about 1563.6710576563.

The spelling of 3823280778 in words is "three billion, eight hundred twenty-three million, two hundred eighty thousand, seven hundred seventy-eight".