3864706047408 has 80 divisors (see below), whose sum is σ = 10087445362176. Its totient is φ = 1274881451520.

The previous prime is 3864706047373. The next prime is 3864706047409. The reversal of 3864706047408 is 8047406074683.

It is not an unprimeable number, because it can be changed into a prime (3864706047409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7211716 + ... + 7729052.

Almost surely, 2^{3864706047408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3864706047408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5043722681088).

3864706047408 is an abundant number, since it is smaller than the sum of its proper divisors (6222739314768).

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

3864706047408 is a wasteful number, since it uses less digits than its factorization.

3864706047408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518962 (or 518956 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 57.

The spelling of 3864706047408 in words is "three trillion, eight hundred sixty-four billion, seven hundred six million, forty-seven thousand, four hundred eight".