3864878342276 has 24 divisors (see below), whose sum is σ = 7754935062336. Its totient is φ = 1650981065760.

The previous prime is 3864878342257. The next prime is 3864878342341. The reversal of 3864878342276 is 6722438784683.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224798195 + ... + 224815386.

It is an arithmetic number, because the mean of its divisors is an integer number (323122294264).

Almost surely, 2^{3864878342276} is an apocalyptic number.

It is an amenable number.

3864878342276 is an abundant number, since it is smaller than the sum of its proper divisors (3890056720060).

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

3864878342276 is a wasteful number, since it uses less digits than its factorization.

3864878342276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449613899 (or 449613897 counting only the distinct ones).

The product of its digits is 520224768, while the sum is 68.

The spelling of 3864878342276 in words is "three trillion, eight hundred sixty-four billion, eight hundred seventy-eight million, three hundred forty-two thousand, two hundred seventy-six".