4376778328 has 16 divisors (see below), whose sum is σ = 8837725680. Its totient is φ = 2020051488.

The previous prime is 4376778313. The next prime is 4376778361. The reversal of 4376778328 is 8238776734.

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, 21042100 + ... + 21042307.

It is an arithmetic number, because the mean of its divisors is an integer number (552357855).

Almost surely, 2^4376778328 is an apocalyptic number.

It is an amenable number.

4376778328 is an abundant number, since it is smaller than the sum of its proper divisors (4460947352).

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

4376778328 is a wasteful number, since it uses less digits than its factorization.

4376778328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42084426 (or 42084422 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 55.

The square root of 4376778328 is about 66157.2243069493. The cubic root of 4376778328 is about 1635.7547261735.

The spelling of 4376778328 in words is "four billion, three hundred seventy-six million, seven hundred seventy-eight thousand, three hundred twenty-eight".