679228782 has 16 divisors (see below), whose sum is σ = 1368232320. Its totient is φ = 224780472.

The previous prime is 679228741. The next prime is 679228783. The reversal of 679228782 is 287822976.

It is a super-2 number, since 2×679228782² = 922703476594407048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679228783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406378 + ... + 408045.

It is an arithmetic number, because the mean of its divisors is an integer number (85514520).

Almost surely, 2^679228782 is an apocalyptic number.

679228782 is an abundant number, since it is smaller than the sum of its proper divisors (689003538).

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

679228782 is a wasteful number, since it uses less digits than its factorization.

679228782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814567.

The product of its digits is 1354752, while the sum is 51.

The square root of 679228782 is about 26062.0179955429. The cubic root of 679228782 is about 879.0333661059.

The spelling of 679228782 in words is "six hundred seventy-nine million, two hundred twenty-eight thousand, seven hundred eighty-two".