47861446866 has 32 divisors (see below), whose sum is σ = 99323548800. Its totient is φ = 15362597376.

The previous prime is 47861446849. The next prime is 47861446873. The reversal of 47861446866 is 66864416874.

It is a super-2 number, since 2×47861446866² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089766 + ... + 1132833.

It is an arithmetic number, because the mean of its divisors is an integer number (3103860900).

Almost surely, 2^47861446866 is an apocalyptic number.

47861446866 is an abundant number, since it is smaller than the sum of its proper divisors (51462101934).

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

47861446866 is a wasteful number, since it uses less digits than its factorization.

47861446866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222738.

The product of its digits is 37158912, while the sum is 60.

The spelling of 47861446866 in words is "forty-seven billion, eight hundred sixty-one million, four hundred forty-six thousand, eight hundred sixty-six".