679812764 has 12 divisors (see below), whose sum is σ = 1228049088. Its totient is φ = 328941600.

The previous prime is 679812743. The next prime is 679812767. The reversal of 679812764 is 467218976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679812767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741057 + ... + 2741304.

It is an arithmetic number, because the mean of its divisors is an integer number (102337424).

Almost surely, 2^679812764 is an apocalyptic number.

It is an amenable number.

679812764 is a deficient number, since it is larger than the sum of its proper divisors (548236324).

679812764 is a wasteful number, since it uses less digits than its factorization.

679812764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482396 (or 5482394 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 679812764 is about 26073.2192872303. The cubic root of 679812764 is about 879.2852167482.

The spelling of 679812764 in words is "six hundred seventy-nine million, eight hundred twelve thousand, seven hundred sixty-four".