80859623242563 has 48 divisors (see below), whose sum is σ = 129590936467200. Its totient is φ = 48169204280640.

The previous prime is 80859623242543. The next prime is 80859623242571. The reversal of 80859623242563 is 36524232695808.

80859623242563 is a `hidden beast` number, since 8 + 0 + 8 + 5 + 9 + 6 + 23 + 2 + 42 + 563 = 666.

It is not a de Polignac number, because 80859623242563 - 2¹⁰ = 80859623241539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80859623242563.

It is not an unprimeable number, because it can be changed into a prime (80859623242543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46094781 + ... + 47816817.

It is an arithmetic number, because the mean of its divisors is an integer number (2699811176400).

Almost surely, 2^{80859623242563} is an apocalyptic number.

80859623242563 is a deficient number, since it is larger than the sum of its proper divisors (48731313224637).

80859623242563 is a wasteful number, since it uses less digits than its factorization.

80859623242563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730152 (or 1730149 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 63.

The spelling of 80859623242563 in words is "eighty trillion, eight hundred fifty-nine billion, six hundred twenty-three million, two hundred forty-two thousand, five hundred sixty-three".