669880848 has 240 divisors, whose sum is σ = 2195859456. Its totient is φ = 172224000.

The previous prime is 669880843. The next prime is 669880907. The reversal of 669880848 is 848088966.

It is not an unprimeable number, because it can be changed into a prime (669880843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2668723 + ... + 2668973.

Almost surely, 2^669880848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669880848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097929728).

669880848 is an abundant number, since it is smaller than the sum of its proper divisors (1525978608).

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

669880848 is a wasteful number, since it uses less digits than its factorization.

669880848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The square root of 669880848 is about 25882.0564870723. The cubic root of 669880848 is about 874.9821375401.

The spelling of 669880848 in words is "six hundred sixty-nine million, eight hundred eighty thousand, eight hundred forty-eight".