2805378338 has 8 divisors (see below), whose sum is σ = 4809220032. Its totient is φ = 1202304996.

The previous prime is 2805378293. The next prime is 2805378409. The reversal of 2805378338 is 8338735082.

2805378338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2805378292 and 2805378301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100192070 + ... + 100192097.

It is an arithmetic number, because the mean of its divisors is an integer number (601152504).

Almost surely, 2^2805378338 is an apocalyptic number.

2805378338 is a deficient number, since it is larger than the sum of its proper divisors (2003841694).

2805378338 is a wasteful number, since it uses less digits than its factorization.

2805378338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200384176.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 2805378338 is about 52965.8223574410. The cubic root of 2805378338 is about 1410.3616157492.

The spelling of 2805378338 in words is "two billion, eight hundred five million, three hundred seventy-eight thousand, three hundred thirty-eight".