3804278865828 has 48 divisors (see below), whose sum is σ = 10144877245440. Its totient is φ = 1086922504224.

The previous prime is 3804278865817. The next prime is 3804278865917. The reversal of 3804278865828 is 8285688724083.

It is a super-2 number, since 2×3804278865828² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7247883 + ... + 7755021.

It is an arithmetic number, because the mean of its divisors is an integer number (211351609280).

Almost surely, 2^{3804278865828} is an apocalyptic number.

It is an amenable number.

3804278865828 is an abundant number, since it is smaller than the sum of its proper divisors (6340598379612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3804278865828 is a wasteful number, since it uses less digits than its factorization.

3804278865828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596456 (or 596454 counting only the distinct ones).

The product of its (nonzero) digits is 330301440, while the sum is 69.

The spelling of 3804278865828 in words is "three trillion, eight hundred four billion, two hundred seventy-eight million, eight hundred sixty-five thousand, eight hundred twenty-eight".