3278904774 has 36 divisors (see below), whose sum is σ = 6653721132. Its totient is φ = 1077212160.

The previous prime is 3278904743. The next prime is 3278904799. The reversal of 3278904774 is 4774098723.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13605294 + ... + 13605534.

It is an arithmetic number, because the mean of its divisors is an integer number (184825587).

Almost surely, 2^3278904774 is an apocalyptic number.

3278904774 is an abundant number, since it is smaller than the sum of its proper divisors (3374816358).

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

3278904774 is an frugal number, since it uses more digits than its factorization.

3278904774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 51.

The square root of 3278904774 is about 57261.7217170424. The cubic root of 3278904774 is about 1485.6263761216.

The spelling of 3278904774 in words is "three billion, two hundred seventy-eight million, nine hundred four thousand, seven hundred seventy-four".