677000999 has 4 divisors (see below), whose sum is σ = 677925336. Its totient is φ = 676076664.

The previous prime is 677000953. The next prime is 677001001. The reversal of 677000999 is 999000776.

677000999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677000999 - 2²⁴ = 660223783 is a prime.

It is a Duffinian number.

677000999 is a modest number, since divided by 999 gives 677 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677000939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461069 + ... + 462534.

It is an arithmetic number, because the mean of its divisors is an integer number (169481334).

Almost surely, 2^677000999 is an apocalyptic number.

677000999 is a deficient number, since it is larger than the sum of its proper divisors (924337).

677000999 is an equidigital number, since it uses as much as digits as its factorization.

677000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924336.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 677000999 is about 26019.2428598528. The cubic root of 677000999 is about 878.0712747178.

The spelling of 677000999 in words is "six hundred seventy-seven million, nine hundred ninety-nine", and thus it is an aban number.