5247778 has 8 divisors (see below), whose sum is σ = 7890768. Its totient is φ = 2617524.

The previous prime is 5247761. The next prime is 5247787. The reversal of 5247778 is 8777425.

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

It is a d-powerful number, because it can be written as 5² + 2²² + 4¹⁰ + 7 + 7⁴ + 7⁴ + 8² .

It is a self number, because there is not a number n which added to its sum of digits gives 5247778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (986346).

Almost surely, 2^5247778 is an apocalyptic number.

5247778 is a deficient number, since it is larger than the sum of its proper divisors (2642990).

5247778 is a wasteful number, since it uses less digits than its factorization.

5247778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368.

The product of its digits is 109760, while the sum is 40.

The square root of 5247778 is about 2290.8029160100. The cubic root of 5247778 is about 173.7768090027.

The spelling of 5247778 in words is "five million, two hundred forty-seven thousand, seven hundred seventy-eight".