3886864706000 has 80 divisors (see below), whose sum is σ = 9527184954768. Its totient is φ = 1533447936000.

The previous prime is 3886864705993. The next prime is 3886864706009. The reversal of 3886864706000 is 6074686883.

It can be written as a sum of positive squares in 8 ways, for example, as 179714949184 + 3707149756816 = 423928^2 + 1925396^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886864706009) 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, 13165181 + ... + 13457180.

Almost surely, 2^{3886864706000} is an apocalyptic number.

It is an amenable number.

3886864706000 is an abundant number, since it is smaller than the sum of its proper divisors (5640320248768).

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

3886864706000 is a wasteful number, since it uses less digits than its factorization.

3886864706000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26622457 (or 26622441 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 3886864706000 in words is "three trillion, eight hundred eighty-six billion, eight hundred sixty-four million, seven hundred six thousand".