5163978 has 8 divisors (see below), whose sum is σ = 10327968. Its totient is φ = 1721324.

The previous prime is 5163973. The next prime is 5163997. The reversal of 5163978 is 8793615.

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

5163978 is an admirable number.

It is a super-4 number, since 4×5163978⁴ (a number of 28 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5163973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430326 + ... + 430337.

It is an arithmetic number, because the mean of its divisors is an integer number (1290996).

Almost surely, 2^5163978 is an apocalyptic number.

5163978 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.

5163978 is a wasteful number, since it uses less digits than its factorization.

5163978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860668.

The product of its digits is 45360, while the sum is 39.

The square root of 5163978 is about 2272.4387780532. The cubic root of 5163978 is about 172.8468467592.

The spelling of 5163978 in words is "five million, one hundred sixty-three thousand, nine hundred seventy-eight".