679468408 has 8 divisors (see below), whose sum is σ = 1274003280. Its totient is φ = 339734200.

The previous prime is 679468403. The next prime is 679468429. The reversal of 679468408 is 804864976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679468403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42466768 + ... + 42466783.

It is an arithmetic number, because the mean of its divisors is an integer number (159250410).

Almost surely, 2^679468408 is an apocalyptic number.

It is an amenable number.

679468408 is a deficient number, since it is larger than the sum of its proper divisors (594534872).

679468408 is a wasteful number, since it uses less digits than its factorization.

679468408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84933557 (or 84933553 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 679468408 is about 26066.6148166577. The cubic root of 679468408 is about 879.1367257245.

The spelling of 679468408 in words is "six hundred seventy-nine million, four hundred sixty-eight thousand, four hundred eight".