3804278866551 has 48 divisors (see below), whose sum is σ = 5546632116480. Its totient is φ = 2512474588800.

The previous prime is 3804278866543. The next prime is 3804278866621. The reversal of 3804278866551 is 1556688724083.

3804278866551 is a `hidden beast` number, since 3 + 8 + 0 + 4 + 2 + 78 + 8 + 6 + 6 + 551 = 666.

3804278866551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3804278866551 - 2³ = 3804278866543 is a prime.

It is a super-2 number, since 2×3804278866551² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804278866501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2112313851 + ... + 2112315651.

It is an arithmetic number, because the mean of its divisors is an integer number (115554835760).

Almost surely, 2^{3804278866551} is an apocalyptic number.

3804278866551 is a deficient number, since it is larger than the sum of its proper divisors (1742353249929).

3804278866551 is a wasteful number, since it uses less digits than its factorization.

3804278866551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 3804278866551 in words is "three trillion, eight hundred four billion, two hundred seventy-eight million, eight hundred sixty-six thousand, five hundred fifty-one".