71843771048 has 16 divisors (see below), whose sum is σ = 153950938080. Its totient is φ = 30790187568.

The previous prime is 71843771047. The next prime is 71843771053. The reversal of 71843771048 is 84017734817.

It is a junction number, because it is equal to n+sod(n) for n = 71843770987 and 71843771005.

It is not an unprimeable number, because it can be changed into a prime (71843771047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 641462186 + ... + 641462297.

It is an arithmetic number, because the mean of its divisors is an integer number (9621933630).

Almost surely, 2^71843771048 is an apocalyptic number.

It is an amenable number.

71843771048 is an abundant number, since it is smaller than the sum of its proper divisors (82107167032).

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

71843771048 is a wasteful number, since it uses less digits than its factorization.

71843771048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282924496 (or 1282924492 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 71843771048 in words is "seventy-one billion, eight hundred forty-three million, seven hundred seventy-one thousand, forty-eight".