5178789 has 64 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 2583360.

The previous prime is 5178787. The next prime is 5178809. The reversal of 5178789 is 9878715.

It is not a de Polignac number, because 5178789 - 2¹ = 5178787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97687 + ... + 97739.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

Almost surely, 2^5178789 is an apocalyptic number.

It is an amenable number.

5178789 is a deficient number, since it is larger than the sum of its proper divisors (4774491).

5178789 is a wasteful number, since it uses less digits than its factorization.

5178789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 121 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The square root of 5178789 is about 2275.6952783710. The cubic root of 5178789 is about 173.0119385437.

The spelling of 5178789 in words is "five million, one hundred seventy-eight thousand, seven hundred eighty-nine".