3781117660832 has 24 divisors (see below), whose sum is σ = 7489744579296. Its totient is φ = 1878960307392.

The previous prime is 3781117660819. The next prime is 3781117660841. The reversal of 3781117660832 is 2380667111873.

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 3 ways as a sum of consecutive naturals, for example, 362448548 + ... + 362458979.

It is an arithmetic number, because the mean of its divisors is an integer number (312072690804).

Almost surely, 2^{3781117660832} is an apocalyptic number.

3781117660832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3781117660832 is a deficient number, since it is larger than the sum of its proper divisors (3708626918464).

3781117660832 is a wasteful number, since it uses less digits than its factorization.

3781117660832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724907700 (or 724907692 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 3781117660832 in words is "three trillion, seven hundred eighty-one billion, one hundred seventeen million, six hundred sixty thousand, eight hundred thirty-two".