71983000286 has 4 divisors (see below), whose sum is σ = 107974500432. Its totient is φ = 35991500142.

The previous prime is 71983000283. The next prime is 71983000303. The reversal of 71983000286 is 68200038917.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68200038917 = 59 ⋅1155932863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71983000283) 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 as a sum of consecutive naturals, namely, 17995750070 + ... + 17995750073.

It is an arithmetic number, because the mean of its divisors is an integer number (26993625108).

Almost surely, 2^71983000286 is an apocalyptic number.

71983000286 is the 143411-st centered heptagonal number.

71983000286 is a deficient number, since it is larger than the sum of its proper divisors (35991500146).

71983000286 is a wasteful number, since it uses less digits than its factorization.

71983000286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35991500145.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 71983000286 in words is "seventy-one billion, nine hundred eighty-three million, two hundred eighty-six", and thus it is an aban number.