2478234427 has 2 divisors, whose sum is σ = 2478234428. Its totient is φ = 2478234426.

The previous prime is 2478234413. The next prime is 2478234431. The reversal of 2478234427 is 7244328742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2478234427 - 2³¹ = 330750779 is a prime.

It is a super-2 number, since 2×2478234427² = 12283291750336036658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2478234497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239117213 + 1239117214.

It is an arithmetic number, because the mean of its divisors is an integer number (1239117214).

Almost surely, 2^2478234427 is an apocalyptic number.

2478234427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478234427 is an equidigital number, since it uses as much as digits as its factorization.

2478234427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 43.

The square root of 2478234427 is about 49781.8684562964. The cubic root of 2478234427 is about 1353.2585985582.

The spelling of 2478234427 in words is "two billion, four hundred seventy-eight million, two hundred thirty-four thousand, four hundred twenty-seven".