5178887 has 16 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 4020192.

The previous prime is 5178871. The next prime is 5178889. The reversal of 5178887 is 7888715.

It is a cyclic number.

It is not a de Polignac number, because 5178887 - 2⁴ = 5178871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (406560).

Almost surely, 2^5178887 is an apocalyptic number.

5178887 is a deficient number, since it is larger than the sum of its proper divisors (1326073).

5178887 is a wasteful number, since it uses less digits than its factorization.

5178887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 125440, while the sum is 44.

The square root of 5178887 is about 2275.7168101502. The cubic root of 5178887 is about 173.0130298583.

It can be divided in two parts, 517888 and 7, that multiplied together give a square (3625216 = 1904²).

The spelling of 5178887 in words is "five million, one hundred seventy-eight thousand, eight hundred eighty-seven".