87283965812 has 12 divisors (see below), whose sum is σ = 153380746596. Its totient is φ = 43460895360.

The previous prime is 87283965779. The next prime is 87283965823. The reversal of 87283965812 is 21856938278.

It can be written as a sum of positive squares in 2 ways, for example, as 77330711056 + 9953254756 = 278084^2 + 99766^2 .

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, 45270803 + ... + 45272730.

It is an arithmetic number, because the mean of its divisors is an integer number (12781728883).

Almost surely, 2^87283965812 is an apocalyptic number.

It is an amenable number.

87283965812 is a deficient number, since it is larger than the sum of its proper divisors (66096780784).

87283965812 is a wasteful number, since it uses less digits than its factorization.

87283965812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90543778 (or 90543776 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The spelling of 87283965812 in words is "eighty-seven billion, two hundred eighty-three million, nine hundred sixty-five thousand, eight hundred twelve".