3847774018005 has 32 divisors (see below), whose sum is σ = 6840679950720. Its totient is φ = 2052088300800.

The previous prime is 3847774018001. The next prime is 3847774018087. The reversal of 3847774018005 is 5008104777483.

It is not a de Polignac number, because 3847774018005 - 2² = 3847774018001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847774018001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4639054 + ... + 5405216.

It is an arithmetic number, because the mean of its divisors is an integer number (213771248460).

Almost surely, 2^{3847774018005} is an apocalyptic number.

It is an amenable number.

3847774018005 is a deficient number, since it is larger than the sum of its proper divisors (2992905932715).

3847774018005 is a wasteful number, since it uses less digits than its factorization.

3847774018005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803378 (or 803372 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 3847774018005 in words is "three trillion, eight hundred forty-seven billion, seven hundred seventy-four million, eighteen thousand, five".