669054008 has 32 divisors (see below), whose sum is σ = 1448479200. Its totient is φ = 283779072.

The previous prime is 669053951. The next prime is 669054013. The reversal of 669054008 is 800450966.

669054008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×669054008³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56153 + ... + 67016.

It is an arithmetic number, because the mean of its divisors is an integer number (45264975).

Almost surely, 2^669054008 is an apocalyptic number.

It is an amenable number.

669054008 is an abundant number, since it is smaller than the sum of its proper divisors (779425192).

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

669054008 is a wasteful number, since it uses less digits than its factorization.

669054008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123279 (or 123275 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 669054008 is about 25866.0783266424. The cubic root of 669054008 is about 874.6219898616.

The spelling of 669054008 in words is "six hundred sixty-nine million, fifty-four thousand, eight".