5278278 has 8 divisors (see below), whose sum is σ = 10556568. Its totient is φ = 1759424.

The previous prime is 5278271. The next prime is 5278289. The reversal of 5278278 is 8728725.

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

5278278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278271) 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, 439851 + ... + 439862.

It is an arithmetic number, because the mean of its divisors is an integer number (1319571).

Almost surely, 2^5278278 is an apocalyptic number.

5278278 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.

5278278 is a wasteful number, since it uses less digits than its factorization.

5278278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879718.

The product of its digits is 62720, while the sum is 39.

The square root of 5278278 is about 2297.4503259048. The cubic root of 5278278 is about 174.1128215328.

The spelling of 5278278 in words is "five million, two hundred seventy-eight thousand, two hundred seventy-eight".