5191878 has 8 divisors (see below), whose sum is σ = 10383768. Its totient is φ = 1730624.

The previous prime is 5191873. The next prime is 5191909. The reversal of 5191878 is 8781915.

It is a sphenic number, since it is the product of 3 distinct primes.

5191878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432651 + ... + 432662.

It is an arithmetic number, because the mean of its divisors is an integer number (1297971).

Almost surely, 2^5191878 is an apocalyptic number.

5191878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5191878 is a wasteful number, since it uses less digits than its factorization.

5191878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865318.

The product of its digits is 20160, while the sum is 39.

The square root of 5191878 is about 2278.5692879524. The cubic root of 5191878 is about 173.1575741424.

The spelling of 5191878 in words is "five million, one hundred ninety-one thousand, eight hundred seventy-eight".