3278783473 has 4 divisors (see below), whose sum is σ = 3747181120. Its totient is φ = 2810385828.

The previous prime is 3278783419. The next prime is 3278783509. The reversal of 3278783473 is 3743878723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3278783473 - 2¹⁷ = 3278652401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3278783473.

It is not an unprimeable number, because it can be changed into a prime (3278703473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234198813 + ... + 234198826.

It is an arithmetic number, because the mean of its divisors is an integer number (936795280).

Almost surely, 2^3278783473 is an apocalyptic number.

It is an amenable number.

3278783473 is a deficient number, since it is larger than the sum of its proper divisors (468397647).

3278783473 is an equidigital number, since it uses as much as digits as its factorization.

3278783473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468397646.

The product of its digits is 4741632, while the sum is 52.

The square root of 3278783473 is about 57260.6625267295. The cubic root of 3278783473 is about 1485.6080559609.

The spelling of 3278783473 in words is "three billion, two hundred seventy-eight million, seven hundred eighty-three thousand, four hundred seventy-three".