5278667 has 8 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 5064640.

The previous prime is 5278657. The next prime is 5278681. The reversal of 5278667 is 7668725.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5278667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5278607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (686880).

Almost surely, 2^5278667 is an apocalyptic number.

5278667 is a deficient number, since it is larger than the sum of its proper divisors (216373).

5278667 is a wasteful number, since it uses less digits than its factorization.

5278667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 141120, while the sum is 41.

The square root of 5278667 is about 2297.5349834116. The cubic root of 5278667 is about 174.1170986995.

The spelling of 5278667 in words is "five million, two hundred seventy-eight thousand, six hundred sixty-seven".