82986871563 has 6 divisors (see below), whose sum is σ = 119869925604. Its totient is φ = 55324581036.

The previous prime is 82986871559. The next prime is 82986871571. The reversal of 82986871563 is 36517868928.

82986871563 is a `hidden beast` number, since 8 + 2 + 9 + 8 + 68 + 7 + 1 + 563 = 666.

It is not a de Polignac number, because 82986871563 - 2² = 82986871559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82986871563.

It is not an unprimeable number, because it can be changed into a prime (82986871553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4610381745 + ... + 4610381762.

It is an arithmetic number, because the mean of its divisors is an integer number (19978320934).

Almost surely, 2^82986871563 is an apocalyptic number.

82986871563 is a deficient number, since it is larger than the sum of its proper divisors (36883054041).

82986871563 is a wasteful number, since it uses less digits than its factorization.

82986871563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220763513 (or 9220763510 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 82986871563 in words is "eighty-two billion, nine hundred eighty-six million, eight hundred seventy-one thousand, five hundred sixty-three".