3228115878 has 96 divisors (see below), whose sum is σ = 7718911200. Its totient is φ = 968951808.

The previous prime is 3228115867. The next prime is 3228115897. The reversal of 3228115878 is 8785118223.

3228115878 is a `hidden beast` number, since 32 + 28 + 11 + 587 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1707958 + ... + 1709846.

It is an arithmetic number, because the mean of its divisors is an integer number (80405325).

Almost surely, 2^3228115878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3228115878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3859455600).

3228115878 is an abundant number, since it is smaller than the sum of its proper divisors (4490795322).

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

3228115878 is a wasteful number, since it uses less digits than its factorization.

3228115878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2083 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 3228115878 is about 56816.5106109131. The cubic root of 3228115878 is about 1477.9158450537.

The spelling of 3228115878 in words is "three billion, two hundred twenty-eight million, one hundred fifteen thousand, eight hundred seventy-eight".