2478866255 has 16 divisors (see below), whose sum is σ = 3138106080. Its totient is φ = 1874575872.

The previous prime is 2478866231. The next prime is 2478866267. The reversal of 2478866255 is 5526688742.

It is not a de Polignac number, because 2478866255 - 2²² = 2474671951 is a prime.

It is a super-2 number, since 2×2478866255² = 12289555820355450050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2478866197 and 2478866206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14867 + ... + 71963.

It is an arithmetic number, because the mean of its divisors is an integer number (196131630).

Almost surely, 2^2478866255 is an apocalyptic number.

2478866255 is a deficient number, since it is larger than the sum of its proper divisors (659239825).

2478866255 is a wasteful number, since it uses less digits than its factorization.

2478866255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57578.

The product of its digits is 6451200, while the sum is 53.

The square root of 2478866255 is about 49788.2140169739. The cubic root of 2478866255 is about 1353.3735936009.

The spelling of 2478866255 in words is "two billion, four hundred seventy-eight million, eight hundred sixty-six thousand, two hundred fifty-five".