8769632887489 has 4 divisors (see below), whose sum is σ = 8769639475540. Its totient is φ = 8769626299440.

The previous prime is 8769632887471. The next prime is 8769632887531. The reversal of 8769632887489 is 9847882369678.

It is a happy number.

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 can be written as a sum of positive squares in 2 ways, for example, as 1114544718400 + 7655088169089 = 1055720^2 + 2766783^2 .

It is a cyclic number.

It is not a de Polignac number, because 8769632887489 - 2¹¹ = 8769632885441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8769632887409) 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, 516822 + ... + 4219759.

It is an arithmetic number, because the mean of its divisors is an integer number (2192409868885).

Almost surely, 2^{8769632887489} is an apocalyptic number.

It is an amenable number.

8769632887489 is a deficient number, since it is larger than the sum of its proper divisors (6588051).

8769632887489 is a wasteful number, since it uses less digits than its factorization.

8769632887489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588050.

The product of its digits is 14046068736, while the sum is 85.

The spelling of 8769632887489 in words is "eight trillion, seven hundred sixty-nine billion, six hundred thirty-two million, eight hundred eighty-seven thousand, four hundred eighty-nine".