679776048 has 120 divisors (see below), whose sum is σ = 2179720608. Its totient is φ = 193729536.

The previous prime is 679776047. The next prime is 679776061. The reversal of 679776048 is 840677976.

It is a junction number, because it is equal to n+sod(n) for n = 679775985 and 679776003.

It is not an unprimeable number, because it can be changed into a prime (679776043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621390 + ... + 622482.

Almost surely, 2^679776048 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 679776048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1089860304).

679776048 is an abundant number, since it is smaller than the sum of its proper divisors (1499944560).

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

679776048 is a wasteful number, since it uses less digits than its factorization.

679776048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 679776048 is about 26072.5151836182. The cubic root of 679776048 is about 879.2693866947.

The spelling of 679776048 in words is "six hundred seventy-nine million, seven hundred seventy-six thousand, forty-eight".