5478731928 has 384 divisors, whose sum is σ = 17360179200. Its totient is φ = 1551052800.

The previous prime is 5478731857. The next prime is 5478731957. The reversal of 5478731928 is 8291378745.

It is a happy number.

5478731928 is a `hidden beast` number, since 547 + 8 + 7 + 3 + 1 + 92 + 8 = 666.

Its product of digits (3386880) is a multiple of the sum of its prime divisors (256).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39990676 + ... + 39990812.

It is an arithmetic number, because the mean of its divisors is an integer number (45208800).

Almost surely, 2^5478731928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5478731928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8680089600).

5478731928 is an abundant number, since it is smaller than the sum of its proper divisors (11881447272).

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

5478731928 is a wasteful number, since it uses less digits than its factorization.

5478731928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 256 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 5478731928 is about 74018.4566712925. The cubic root of 5478731928 is about 1762.8959648759.

The spelling of 5478731928 in words is "five billion, four hundred seventy-eight million, seven hundred thirty-one thousand, nine hundred twenty-eight".