3278465361 has 42 divisors (see below), whose sum is σ = 5013072918. Its totient is φ = 2143065600.

The previous prime is 3278465293. The next prime is 3278465423. The reversal of 3278465361 is 1635648723.

3278465361 is a `hidden beast` number, since 3 + 2 + 78 + 46 + 536 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2289048336 + 989417025 = 47844^2 + 31455^2 .

It is not a de Polignac number, because 3278465361 - 2³¹ = 1130981713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3278455361) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 2046961 + ... + 2048561.

It is an arithmetic number, because the mean of its divisors is an integer number (119358879).

Almost surely, 2^3278465361 is an apocalyptic number.

It is an amenable number.

3278465361 is a deficient number, since it is larger than the sum of its proper divisors (1734607557).

3278465361 is an frugal number, since it uses more digits than its factorization.

3278465361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1657 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 3278465361 is about 57257.8847059512. The cubic root of 3278465361 is about 1485.5600091738.

The spelling of 3278465361 in words is "three billion, two hundred seventy-eight million, four hundred sixty-five thousand, three hundred sixty-one".