3781884418836 has 24 divisors (see below), whose sum is σ = 8824428449760. Its totient is φ = 1260623643552.

The previous prime is 3781884418799. The next prime is 3781884418841. The reversal of 3781884418836 is 6388144881873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6133330 + ... + 6721718.

It is an arithmetic number, because the mean of its divisors is an integer number (367684518740).

Almost surely, 2^{3781884418836} is an apocalyptic number.

It is an amenable number.

3781884418836 is an abundant number, since it is smaller than the sum of its proper divisors (5042544030924).

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

3781884418836 is a wasteful number, since it uses less digits than its factorization.

3781884418836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124023 (or 1124021 counting only the distinct ones).

The product of its digits is 198180864, while the sum is 69.

The spelling of 3781884418836 in words is "three trillion, seven hundred eighty-one billion, eight hundred eighty-four million, four hundred eighteen thousand, eight hundred thirty-six".