73286808563 has 16 divisors (see below), whose sum is σ = 81487425600. Its totient is φ = 65556581376.

The previous prime is 73286808557. The next prime is 73286808587. The reversal of 73286808563 is 36580868237.

It is a cyclic number.

It is not a de Polignac number, because 73286808563 - 2⁶ = 73286808499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73286808499 and 73286808508.

It is not an unprimeable number, because it can be changed into a prime (73286808163) 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, 535538 + ... + 658311.

It is an arithmetic number, because the mean of its divisors is an integer number (5092964100).

Almost surely, 2^73286808563 is an apocalyptic number.

73286808563 is a deficient number, since it is larger than the sum of its proper divisors (8200617037).

73286808563 is a wasteful number, since it uses less digits than its factorization.

73286808563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194046.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 73286808563 in words is "seventy-three billion, two hundred eighty-six million, eight hundred eight thousand, five hundred sixty-three".