3804485385878 has 4 divisors (see below), whose sum is σ = 5706728078820. Its totient is φ = 1902242692938.

The previous prime is 3804485385871. The next prime is 3804485385887. The reversal of 3804485385878 is 8785835844083.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804485385871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 951121346468 + ... + 951121346471.

It is an arithmetic number, because the mean of its divisors is an integer number (1426682019705).

Almost surely, 2^{3804485385878} is an apocalyptic number.

3804485385878 is a deficient number, since it is larger than the sum of its proper divisors (1902242692942).

3804485385878 is a wasteful number, since it uses less digits than its factorization.

3804485385878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902242692941.

The product of its (nonzero) digits is 825753600, while the sum is 71.

The spelling of 3804485385878 in words is "three trillion, eight hundred four billion, four hundred eighty-five million, three hundred eighty-five thousand, eight hundred seventy-eight".