82871936804 has 48 divisors (see below), whose sum is σ = 158742452736. Its totient is φ = 37685260800.

The previous prime is 82871936779. The next prime is 82871936809. The reversal of 82871936804 is 40863917828.

It is a self number, because there is not a number n which added to its sum of digits gives 82871936804.

It is not an unprimeable number, because it can be changed into a prime (82871936809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428182 + ... + 1485074.

It is an arithmetic number, because the mean of its divisors is an integer number (3307134432).

Almost surely, 2^82871936804 is an apocalyptic number.

It is an amenable number.

82871936804 is a deficient number, since it is larger than the sum of its proper divisors (75870515932).

82871936804 is a wasteful number, since it uses less digits than its factorization.

82871936804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57636 (or 57634 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 82871936804 in words is "eighty-two billion, eight hundred seventy-one million, nine hundred thirty-six thousand, eight hundred four".