3846857866560 has 112 divisors (see below), whose sum is σ = 13570859726400. Its totient is φ = 1025828762112.

The previous prime is 3846857866559. The next prime is 3846857866591. The reversal of 3846857866560 is 656687586483.

3846857866560 is a `hidden beast` number, since 3 + 8 + 4 + 6 + 8 + 57 + 8 + 6 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222610450 + ... + 222627729.

Almost surely, 2^{3846857866560} is an apocalyptic number.

3846857866560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3846857866560 is an abundant number, since it is smaller than the sum of its proper divisors (9724001859840).

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

3846857866560 is a wasteful number, since it uses less digits than its factorization.

3846857866560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445238205 (or 445238189 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 72.

The spelling of 3846857866560 in words is "three trillion, eight hundred forty-six billion, eight hundred fifty-seven million, eight hundred sixty-six thousand, five hundred sixty".