3279695328 has 144 divisors (see below), whose sum is σ = 11479025376. Its totient is φ = 864967680.

The previous prime is 3279695323. The next prime is 3279695333. The reversal of 3279695328 is 8235969723.

It is a happy number.

3279695328 is a `hidden beast` number, since 32 + 79 + 6 + 9 + 532 + 8 = 666.

3279695328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3279695323) and next prime (3279695333).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279695323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36363 + ... + 88778.

It is an arithmetic number, because the mean of its divisors is an integer number (79715454).

Almost surely, 2^3279695328 is an apocalyptic number.

It is an amenable number.

3279695328 is an abundant number, since it is smaller than the sum of its proper divisors (8199330048).

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

3279695328 is a wasteful number, since it uses less digits than its factorization.

3279695328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125177 (or 125166 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 3279695328 is about 57268.6242893960. The cubic root of 3279695328 is about 1485.7457628862.

The spelling of 3279695328 in words is "three billion, two hundred seventy-nine million, six hundred ninety-five thousand, three hundred twenty-eight".