5278308287 has 8 divisors (see below), whose sum is σ = 6036274176. Its totient is φ = 4521322872.

The previous prime is 5278308283. The next prime is 5278308293. The reversal of 5278308287 is 7828038725.

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

It is a cyclic number.

It is not a de Polignac number, because 5278308287 - 2² = 5278308283 is a prime.

It is a super-2 number, since 2×5278308287² = 55721076745225748738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278308283) 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, 233543 + ... + 255144.

It is an arithmetic number, because the mean of its divisors is an integer number (754534272).

Almost surely, 2^5278308287 is an apocalyptic number.

5278308287 is a deficient number, since it is larger than the sum of its proper divisors (757965889).

5278308287 is a wasteful number, since it uses less digits than its factorization.

5278308287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490237.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 5278308287 is about 72651.9668488060. The cubic root of 5278308287 is about 1741.1315455463.

The spelling of 5278308287 in words is "five billion, two hundred seventy-eight million, three hundred eight thousand, two hundred eighty-seven".