2805876838 has 4 divisors (see below), whose sum is σ = 4208815260. Its totient is φ = 1402938418.

The previous prime is 2805876823. The next prime is 2805876883. The reversal of 2805876838 is 8386785082.

It is a happy number.

2805876838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701469208 + ... + 701469211.

It is an arithmetic number, because the mean of its divisors is an integer number (1052203815).

Almost surely, 2^2805876838 is an apocalyptic number.

2805876838 is a deficient number, since it is larger than the sum of its proper divisors (1402938422).

2805876838 is a wasteful number, since it uses less digits than its factorization.

2805876838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402938421.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The square root of 2805876838 is about 52970.5280132264. The cubic root of 2805876838 is about 1410.4451485852.

The spelling of 2805876838 in words is "two billion, eight hundred five million, eight hundred seventy-six thousand, eight hundred thirty-eight".