2478913447 has 8 divisors (see below), whose sum is σ = 2497093200. Its totient is φ = 2460754560.

The previous prime is 2478913427. The next prime is 2478913471. The reversal of 2478913447 is 7443198742.

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 2478913447 - 2⁷ = 2478913319 is a prime.

It is a super-2 number, since 2×2478913447² = 12290023755434843618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2478913447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478913427) 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 7 ways as a sum of consecutive naturals, for example, 295503 + ... + 303775.

It is an arithmetic number, because the mean of its divisors is an integer number (312136650).

Almost surely, 2^2478913447 is an apocalyptic number.

2478913447 is a deficient number, since it is larger than the sum of its proper divisors (18179753).

2478913447 is a wasteful number, since it uses less digits than its factorization.

2478913447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433.

The product of its digits is 1354752, while the sum is 49.

The square root of 2478913447 is about 49788.6879421420. The cubic root of 2478913447 is about 1353.3821819359.

The spelling of 2478913447 in words is "two billion, four hundred seventy-eight million, nine hundred thirteen thousand, four hundred forty-seven".