3869768664 has 96 divisors (see below), whose sum is σ = 10665008640. Its totient is φ = 1267358400.

The previous prime is 3869768663. The next prime is 3869768687. The reversal of 3869768664 is 4668679683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869768663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1690929 + ... + 1693215.

It is an arithmetic number, because the mean of its divisors is an integer number (111093840).

Almost surely, 2^3869768664 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 3869768664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5332504320).

3869768664 is an abundant number, since it is smaller than the sum of its proper divisors (6795239976).

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

3869768664 is a wasteful number, since it uses less digits than its factorization.

3869768664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701 (or 2694 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The square root of 3869768664 is about 62207.4646967709. The cubic root of 3869768664 is about 1569.9831856152.

The spelling of 3869768664 in words is "three billion, eight hundred sixty-nine million, seven hundred sixty-eight thousand, six hundred sixty-four".