71283587036 has 12 divisors (see below), whose sum is σ = 125912131128. Its totient is φ = 35308692432.

The previous prime is 71283587017. The next prime is 71283587059. The reversal of 71283587036 is 63078538217.

It is a happy number.

It is a congruent number.

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, 83274791 + ... + 83275646.

It is an arithmetic number, because the mean of its divisors is an integer number (10492677594).

Almost surely, 2^71283587036 is an apocalyptic number.

It is an amenable number.

71283587036 is a deficient number, since it is larger than the sum of its proper divisors (54628544092).

71283587036 is a wasteful number, since it uses less digits than its factorization.

71283587036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166550548 (or 166550546 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 71283587036 in words is "seventy-one billion, two hundred eighty-three million, five hundred eighty-seven thousand, thirty-six".