3778467828 has 12 divisors (see below), whose sum is σ = 8816424960. Its totient is φ = 1259489272.

The previous prime is 3778467827. The next prime is 3778467839. The reversal of 3778467828 is 8287648773.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778467827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157436148 + ... + 157436171.

It is an arithmetic number, because the mean of its divisors is an integer number (734702080).

Almost surely, 2^3778467828 is an apocalyptic number.

It is an amenable number.

3778467828 is an abundant number, since it is smaller than the sum of its proper divisors (5037957132).

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

3778467828 is a wasteful number, since it uses less digits than its factorization.

3778467828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314872326 (or 314872324 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 60.

The square root of 3778467828 is about 61469.2429431175. The cubic root of 3778467828 is about 1557.5377313691.

The spelling of 3778467828 in words is "three billion, seven hundred seventy-eight million, four hundred sixty-seven thousand, eight hundred twenty-eight".