677347820 has 12 divisors (see below), whose sum is σ = 1422430464. Its totient is φ = 270939120.

The previous prime is 677347807. The next prime is 677347841. The reversal of 677347820 is 28743776.

677347820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16933676 + ... + 16933715.

It is an arithmetic number, because the mean of its divisors is an integer number (118535872).

Almost surely, 2^677347820 is an apocalyptic number.

It is an amenable number.

677347820 is an abundant number, since it is smaller than the sum of its proper divisors (745082644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677347820 is a wasteful number, since it uses less digits than its factorization.

677347820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33867400 (or 33867398 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 677347820 is about 26025.9067085087. The cubic root of 677347820 is about 878.2211915666.

The spelling of 677347820 in words is "six hundred seventy-seven million, three hundred forty-seven thousand, eight hundred twenty".