3861705768 has 64 divisors (see below), whose sum is σ = 10170048000. Its totient is φ = 1218566592.

The previous prime is 3861705751. The next prime is 3861705779. The reversal of 3861705768 is 8675071683.

It is a self number, because there is not a number n which added to its sum of digits gives 3861705768.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854571 + ... + 859077.

It is an arithmetic number, because the mean of its divisors is an integer number (158907000).

Almost surely, 2^3861705768 is an apocalyptic number.

3861705768 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3861705768 is an abundant number, since it is smaller than the sum of its proper divisors (6308342232).

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

3861705768 is a wasteful number, since it uses less digits than its factorization.

3861705768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6410 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 3861705768 is about 62142.6244054755. The cubic root of 3861705768 is about 1568.8920426126.

The spelling of 3861705768 in words is "three billion, eight hundred sixty-one million, seven hundred five thousand, seven hundred sixty-eight".