3861808874336 has 48 divisors (see below), whose sum is σ = 8755398812160. Its totient is φ = 1642426880640.

The previous prime is 3861808874269. The next prime is 3861808874393. The reversal of 3861808874336 is 6334788081683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65773016 + ... + 65831703.

It is an arithmetic number, because the mean of its divisors is an integer number (182404141920).

Almost surely, 2^{3861808874336} is an apocalyptic number.

It is an amenable number.

3861808874336 is an abundant number, since it is smaller than the sum of its proper divisors (4893589937824).

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

3861808874336 is a wasteful number, since it uses less digits than its factorization.

3861808874336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131604867 (or 131604859 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 3861808874336 in words is "three trillion, eight hundred sixty-one billion, eight hundred eight million, eight hundred seventy-four thousand, three hundred thirty-six".