689264882 has 8 divisors (see below), whose sum is σ = 1034322156. Its totient is φ = 344490832.

The previous prime is 689264867. The next prime is 689264903. The reversal of 689264882 is 288462986.

It can be written as a sum of positive squares in 2 ways, for example, as 590441401 + 98823481 = 24299^2 + 9941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64613 + ... + 74520.

Almost surely, 2^689264882 is an apocalyptic number.

689264882 is a deficient number, since it is larger than the sum of its proper divisors (345057274).

689264882 is a wasteful number, since it uses less digits than its factorization.

689264882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141612.

The product of its digits is 2654208, while the sum is 53.

The square root of 689264882 is about 26253.8546122279. The cubic root of 689264882 is about 883.3416685895.

The spelling of 689264882 in words is "six hundred eighty-nine million, two hundred sixty-four thousand, eight hundred eighty-two".