2447113378 has 4 divisors (see below), whose sum is σ = 3670670070. Its totient is φ = 1223556688.

The previous prime is 2447113301. The next prime is 2447113391. The reversal of 2447113378 is 8733117442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1766268729 + 680844649 = 42027^2 + 26093^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2447113378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611778343 + ... + 611778346.

Almost surely, 2^2447113378 is an apocalyptic number.

2447113378 is a deficient number, since it is larger than the sum of its proper divisors (1223556692).

2447113378 is a wasteful number, since it uses less digits than its factorization.

2447113378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223556691.

The product of its digits is 112896, while the sum is 40.

The square root of 2447113378 is about 49468.3068034474. The cubic root of 2447113378 is about 1347.5700922392.

The spelling of 2447113378 in words is "two billion, four hundred forty-seven million, one hundred thirteen thousand, three hundred seventy-eight".