3278664788 has 12 divisors (see below), whose sum is σ = 6557329632. Its totient is φ = 1405142040.

The previous prime is 3278664769. The next prime is 3278664793. The reversal of 3278664788 is 8874668723.

It is a happy number.

3278664788 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58547558 + ... + 58547613.

It is an arithmetic number, because the mean of its divisors is an integer number (546444136).

Almost surely, 2^3278664788 is an apocalyptic number.

It is an amenable number.

3278664788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3278664788 is a wasteful number, since it uses less digits than its factorization.

3278664788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117095182 (or 117095180 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 59.

The square root of 3278664788 is about 57259.6261601488. The cubic root of 3278664788 is about 1485.5901304588.

The spelling of 3278664788 in words is "three billion, two hundred seventy-eight million, six hundred sixty-four thousand, seven hundred eighty-eight".