679987467 has 10 divisors (see below), whose sum is σ = 1015783868. Its totient is φ = 453324924.

The previous prime is 679987463. The next prime is 679987499. The reversal of 679987467 is 764789976.

679987467 is a `hidden beast` number, since 6 + 7 + 99 + 87 + 467 = 666.

It is not a de Polignac number, because 679987467 - 2² = 679987463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679987463) 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 9 ways as a sum of consecutive naturals, for example, 4197373 + ... + 4197534.

Almost surely, 2^679987467 is an apocalyptic number.

679987467 is a deficient number, since it is larger than the sum of its proper divisors (335796401).

679987467 is an equidigital number, since it uses as much as digits as its factorization.

679987467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394919 (or 8394910 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The square root of 679987467 is about 26076.5693103982. The cubic root of 679987467 is about 879.3605319018.

The spelling of 679987467 in words is "six hundred seventy-nine million, nine hundred eighty-seven thousand, four hundred sixty-seven".