5378377728 has 96 divisors (see below), whose sum is σ = 15093842400. Its totient is φ = 1698398208.

The previous prime is 5378377727. The next prime is 5378377733. The reversal of 5378377728 is 8277738735.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (5378377727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93700 + ... + 139772.

It is an arithmetic number, because the mean of its divisors is an integer number (157227525).

Almost surely, 2^5378377728 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 5378377728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7546921200).

5378377728 is an abundant number, since it is smaller than the sum of its proper divisors (9715464672).

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

5378377728 is a wasteful number, since it uses less digits than its factorization.

5378377728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46117 (or 46097 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 57.

The square root of 5378377728 is about 73337.4237889497. The cubic root of 5378377728 is about 1752.0658843888.

The spelling of 5378377728 in words is "five billion, three hundred seventy-eight million, three hundred seventy-seven thousand, seven hundred twenty-eight".