2478318271 has 16 divisors (see below), whose sum is σ = 2938819968. Its totient is φ = 2060258400.

The previous prime is 2478318263. The next prime is 2478318277. The reversal of 2478318271 is 1728138742.

It is a cyclic number.

It is not a de Polignac number, because 2478318271 - 2³ = 2478318263 is a prime.

It is a super-2 number, since 2×2478318271² = 12284122904744858882, 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 (2478318277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65685 + ... + 96286.

It is an arithmetic number, because the mean of its divisors is an integer number (183676248).

Almost surely, 2^2478318271 is an apocalyptic number.

2478318271 is a deficient number, since it is larger than the sum of its proper divisors (460501697).

2478318271 is a wasteful number, since it uses less digits than its factorization.

2478318271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162102.

The product of its digits is 150528, while the sum is 43.

The square root of 2478318271 is about 49782.7105630057. The cubic root of 2478318271 is about 1353.2738596023.

The spelling of 2478318271 in words is "two billion, four hundred seventy-eight million, three hundred eighteen thousand, two hundred seventy-one".