2044347878 has 4 divisors (see below), whose sum is σ = 3066521820. Its totient is φ = 1022173938.

The previous prime is 2044347857. The next prime is 2044347911. The reversal of 2044347878 is 8787434402.

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, 511086968 + ... + 511086971.

It is an arithmetic number, because the mean of its divisors is an integer number (766630455).

Almost surely, 2^2044347878 is an apocalyptic number.

2044347878 is a deficient number, since it is larger than the sum of its proper divisors (1022173942).

2044347878 is a wasteful number, since it uses less digits than its factorization.

2044347878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022173941.

The product of its (nonzero) digits is 1204224, while the sum is 47.

The square root of 2044347878 is about 45214.4653623152. The cubic root of 2044347878 is about 1269.1655249329.

The spelling of 2044347878 in words is "two billion, forty-four million, three hundred forty-seven thousand, eight hundred seventy-eight".