82512568563 has 16 divisors (see below), whose sum is σ = 116417005056. Its totient is φ = 51875626880.

The previous prime is 82512568559. The next prime is 82512568613. The reversal of 82512568563 is 36586521528.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82512568563 - 2² = 82512568559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82512568553) 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, 8416470 + ... + 8426267.

It is an arithmetic number, because the mean of its divisors is an integer number (7276062816).

Almost surely, 2^82512568563 is an apocalyptic number.

82512568563 is a deficient number, since it is larger than the sum of its proper divisors (33904436493).

82512568563 is a wasteful number, since it uses less digits than its factorization.

82512568563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16842834.

The product of its digits is 3456000, while the sum is 51.

The spelling of 82512568563 in words is "eighty-two billion, five hundred twelve million, five hundred sixty-eight thousand, five hundred sixty-three".