89664766463 has 4 divisors (see below), whose sum is σ = 89665442328. Its totient is φ = 89664090600.

The previous prime is 89664766421. The next prime is 89664766469. The reversal of 89664766463 is 36466746698.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 89664766463 - 2¹⁶ = 89664700927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89664766463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89664766469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65981 + ... + 428582.

It is an arithmetic number, because the mean of its divisors is an integer number (22416360582).

Almost surely, 2^89664766463 is an apocalyptic number.

89664766463 is a deficient number, since it is larger than the sum of its proper divisors (675865).

89664766463 is a wasteful number, since it uses less digits than its factorization.

89664766463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675864.

The product of its digits is 188116992, while the sum is 65.

The spelling of 89664766463 in words is "eighty-nine billion, six hundred sixty-four million, seven hundred sixty-six thousand, four hundred sixty-three".