8679999 has 8 divisors (see below), whose sum is σ = 11587072. Its totient is φ = 5779800.

The previous prime is 8679991. The next prime is 8680003. The reversal of 8679999 is 9999768.

8679999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8679999 - 2³ = 8679991 is a prime.

It is a Duffinian number.

8679999 is a modest number, since divided by 9999 gives 867 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8679991) 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, 3474 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (1448384).

Almost surely, 2^8679999 is an apocalyptic number.

8679999 is a deficient number, since it is larger than the sum of its proper divisors (2907073).

8679999 is a wasteful number, since it uses less digits than its factorization.

8679999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its digits is 2204496, while the sum is 57.

The square root of 8679999 is about 2946.1838028202. The cubic root of 8679999 is about 205.5132804981.

The spelling of 8679999 in words is "eight million, six hundred seventy-nine thousand, nine hundred ninety-nine".