689158848 has 56 divisors (see below), whose sum is σ = 2083889152. Its totient is φ = 196902144.

The previous prime is 689158831. The next prime is 689158853. The reversal of 689158848 is 848851986.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255040 + ... + 257727.

Almost surely, 2^689158848 is an apocalyptic number.

It is an amenable number.

689158848 is an abundant number, since it is smaller than the sum of its proper divisors (1394730304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689158848 is a wasteful number, since it uses less digits than its factorization.

689158848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512789 (or 512779 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 57.

The square root of 689158848 is about 26251.8351358529. The cubic root of 689158848 is about 883.2963695778.

The spelling of 689158848 in words is "six hundred eighty-nine million, one hundred fifty-eight thousand, eight hundred forty-eight".