3278964476916 has 108 divisors (see below), whose sum is σ = 8890217630112. Its totient is φ = 1018707077376.

The previous prime is 3278964476897. The next prime is 3278964476917. The reversal of 3278964476916 is 6196744698723.

It is a happy number.

3278964476916 is a `hidden beast` number, since 3 + 2 + 7 + 8 + 9 + 64 + 476 + 91 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278964476917) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 458310 + ... + 2601533.

Almost surely, 2^{3278964476916} is an apocalyptic number.

3278964476916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3278964476916 is an abundant number, since it is smaller than the sum of its proper divisors (5611253153196).

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

3278964476916 is a wasteful number, since it uses less digits than its factorization.

3278964476916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059990 (or 3059968 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 72.

The spelling of 3278964476916 in words is "three trillion, two hundred seventy-eight billion, nine hundred sixty-four million, four hundred seventy-six thousand, nine hundred sixteen".