76888866563 has 4 divisors (see below), whose sum is σ = 76891295208. Its totient is φ = 76886437920.

The previous prime is 76888866547. The next prime is 76888866581. The reversal of 76888866563 is 36566888867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36566888867 = 190523 ⋅191929.

It is a cyclic number.

It is not a de Polignac number, because 76888866563 - 2⁴ = 76888866547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76888866763) 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 3 ways as a sum of consecutive naturals, for example, 1166198 + ... + 1230363.

It is an arithmetic number, because the mean of its divisors is an integer number (19222823802).

Almost surely, 2^76888866563 is an apocalyptic number.

76888866563 is a deficient number, since it is larger than the sum of its proper divisors (2428645).

76888866563 is a wasteful number, since it uses less digits than its factorization.

76888866563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428644.

The product of its digits is 557383680, while the sum is 71.

The spelling of 76888866563 in words is "seventy-six billion, eight hundred eighty-eight million, eight hundred sixty-six thousand, five hundred sixty-three".