5128578 has 96 divisors (see below), whose sum is σ = 14257152. Its totient is φ = 1296000.

The previous prime is 5128573. The next prime is 5128583. The reversal of 5128578 is 8758215.

It is an interprime number because it is at equal distance from previous prime (5128573) and next prime (5128583).

Its product of digits (22400) is a multiple of the sum of its prime factors (160).

It is not an unprimeable number, because it can be changed into a prime (5128573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50728 + ... + 50828.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

Almost surely, 2^5128578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5128578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7128576).

5128578 is an abundant number, since it is smaller than the sum of its proper divisors (9128574).

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

5128578 is a wasteful number, since it uses less digits than its factorization.

5128578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 157 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5128578 is about 2264.6363946559. The cubic root of 5128578 is about 172.4509753564.

The spelling of 5128578 in words is "five million, one hundred twenty-eight thousand, five hundred seventy-eight".