3857883785506 has 32 divisors (see below), whose sum is σ = 5966332162560. Its totient is φ = 1869516464256.

The previous prime is 3857883785501. The next prime is 3857883785507. The reversal of 3857883785506 is 6055873887583.

It is not an unprimeable number, because it can be changed into a prime (3857883785501) 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, 62145775 + ... + 62207821.

It is an arithmetic number, because the mean of its divisors is an integer number (186447880080).

Almost surely, 2^{3857883785506} is an apocalyptic number.

3857883785506 is a deficient number, since it is larger than the sum of its proper divisors (2108448377054).

3857883785506 is a wasteful number, since it uses less digits than its factorization.

3857883785506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65338.

The product of its (nonzero) digits is 1354752000, while the sum is 73.

The spelling of 3857883785506 in words is "three trillion, eight hundred fifty-seven billion, eight hundred eighty-three million, seven hundred eighty-five thousand, five hundred six".