680048775 has 36 divisors (see below), whose sum is σ = 1392052272. Its totient is φ = 310878720.

The previous prime is 680048771. The next prime is 680048819. The reversal of 680048775 is 577840086.

It is not a de Polignac number, because 680048775 - 2² = 680048771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 680048775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680048771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 214314 + ... + 217463.

Almost surely, 2^680048775 is an apocalyptic number.

680048775 is an abundant number, since it is smaller than the sum of its proper divisors (712003497).

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

680048775 is a wasteful number, since it uses less digits than its factorization.

680048775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431800 (or 431792 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 680048775 is about 26077.7448219742. The cubic root of 680048775 is about 879.3869589650.

The spelling of 680048775 in words is "six hundred eighty million, forty-eight thousand, seven hundred seventy-five".