3850666848378 has 72 divisors (see below), whose sum is σ = 9706051431648. Its totient is φ = 1100099922768.

The previous prime is 3850666848341. The next prime is 3850666848449. The reversal of 3850666848378 is 8738486660583.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10924725 + ... + 11271687.

It is an arithmetic number, because the mean of its divisors is an integer number (134806269884).

Almost surely, 2^{3850666848378} is an apocalyptic number.

3850666848378 is an abundant number, since it is smaller than the sum of its proper divisors (5855384583270).

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

3850666848378 is a wasteful number, since it uses less digits than its factorization.

3850666848378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359568 (or 359558 counting only the distinct ones).

The product of its (nonzero) digits is 1114767360, while the sum is 72.

The spelling of 3850666848378 in words is "three trillion, eight hundred fifty billion, six hundred sixty-six million, eight hundred forty-eight thousand, three hundred seventy-eight".