677344284 has 36 divisors (see below), whose sum is σ = 1712969440. Its totient is φ = 225676800.

The previous prime is 677344267. The next prime is 677344289. The reversal of 677344284 is 482443776.

677344284 is a `hidden beast` number, since 67 + 73 + 442 + 84 = 666.

677344284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677344289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138684 + ... + 143484.

Almost surely, 2^677344284 is an apocalyptic number.

It is an amenable number.

677344284 is an abundant number, since it is smaller than the sum of its proper divisors (1035625156).

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

677344284 is a wasteful number, since it uses less digits than its factorization.

677344284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730 (or 8725 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 677344284 is about 26025.8387761086. The cubic root of 677344284 is about 878.2196633534.

The spelling of 677344284 in words is "six hundred seventy-seven million, three hundred forty-four thousand, two hundred eighty-four".