2478133487 has 2 divisors, whose sum is σ = 2478133488. Its totient is φ = 2478133486.

The previous prime is 2478133477. The next prime is 2478133513. The reversal of 2478133487 is 7843318742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478133487 - 2¹⁰ = 2478132463 is a prime.

It is a super-2 number, since 2×2478133487² = 12282291158781558338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478133457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239066743 + 1239066744.

It is an arithmetic number, because the mean of its divisors is an integer number (1239066744).

Almost surely, 2^2478133487 is an apocalyptic number.

2478133487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478133487 is an equidigital number, since it uses as much as digits as its factorization.

2478133487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 2478133487 is about 49780.8546230376. The cubic root of 2478133487 is about 1353.2402252927.

The spelling of 2478133487 in words is "two billion, four hundred seventy-eight million, one hundred thirty-three thousand, four hundred eighty-seven".