8689408775 has 6 divisors (see below), whose sum is σ = 10774866912. Its totient is φ = 6951527000.

The previous prime is 8689408727. The next prime is 8689408787. The reversal of 8689408775 is 5778049868.

It is not a de Polignac number, because 8689408775 - 2⁶ = 8689408711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173788151 + ... + 173788200.

It is an arithmetic number, because the mean of its divisors is an integer number (1795811152).

Almost surely, 2^8689408775 is an apocalyptic number.

8689408775 is a deficient number, since it is larger than the sum of its proper divisors (2085458137).

8689408775 is a wasteful number, since it uses less digits than its factorization.

8689408775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347576361 (or 347576356 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 62.

The square root of 8689408775 is about 93216.9983157578. The cubic root of 8689408775 is about 2055.8751765497.

The spelling of 8689408775 in words is "eight billion, six hundred eighty-nine million, four hundred eight thousand, seven hundred seventy-five".