5286778 has 16 divisors (see below), whose sum is σ = 9167040. Its totient is φ = 2239776.

The previous prime is 5286773. The next prime is 5286793. The reversal of 5286778 is 8776825.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5286773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (572940).

Almost surely, 2^5286778 is an apocalyptic number.

5286778 is a deficient number, since it is larger than the sum of its proper divisors (3880262).

5286778 is a wasteful number, since it uses less digits than its factorization.

5286778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341.

The product of its digits is 188160, while the sum is 43.

The square root of 5286778 is about 2299.2994585308. The cubic root of 5286778 is about 174.2062336434.

The spelling of 5286778 in words is "five million, two hundred eighty-six thousand, seven hundred seventy-eight".