2803993378 has 8 divisors (see below), whose sum is σ = 4206234960. Its totient is φ = 1401915060.

The previous prime is 2803993363. The next prime is 2803993391. The reversal of 2803993378 is 8733993082.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20613 + ... + 77671.

It is an arithmetic number, because the mean of its divisors is an integer number (525779370).

Almost surely, 2^2803993378 is an apocalyptic number.

2803993378 is a deficient number, since it is larger than the sum of its proper divisors (1402241582).

2803993378 is a wasteful number, since it uses less digits than its factorization.

2803993378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81632.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 2803993378 is about 52952.7466520860. The cubic root of 2803993378 is about 1410.1294883008.

The spelling of 2803993378 in words is "two billion, eight hundred three million, nine hundred ninety-three thousand, three hundred seventy-eight".