677699 has 4 divisors (see below), whose sum is σ = 739320. Its totient is φ = 616080.

The previous prime is 677687. The next prime is 677717. The reversal of 677699 is 996776.

677699 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 677699 - 2⁴ = 677683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677639) 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, 30794 + ... + 30815.

It is an arithmetic number, because the mean of its divisors is an integer number (184830).

2⁶⁷⁷⁶⁹⁹ is an apocalyptic number.

677699 is a deficient number, since it is larger than the sum of its proper divisors (61621).

677699 is a wasteful number, since it uses less digits than its factorization.

677699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61620.

The product of its digits is 142884, while the sum is 44.

The square root of 677699 is about 823.2247566734. The cubic root of 677699 is about 87.8372940503.

The spelling of 677699 in words is "six hundred seventy-seven thousand, six hundred ninety-nine".