677285345 has 16 divisors (see below), whose sum is σ = 887423040. Its totient is φ = 492129600.

The previous prime is 677285341. The next prime is 677285353. The reversal of 677285345 is 543582776.

677285345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677285345 - 2² = 677285341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677285345.

It is not an unprimeable number, because it can be changed into a prime (677285341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64355 + ... + 74135.

It is an arithmetic number, because the mean of its divisors is an integer number (55463940).

Almost surely, 2^677285345 is an apocalyptic number.

It is an amenable number.

677285345 is a deficient number, since it is larger than the sum of its proper divisors (210137695).

677285345 is a wasteful number, since it uses less digits than its factorization.

677285345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056.

The product of its digits is 1411200, while the sum is 47.

The square root of 677285345 is about 26024.7064344634. The cubic root of 677285345 is about 878.1941899020.

The spelling of 677285345 in words is "six hundred seventy-seven million, two hundred eighty-five thousand, three hundred forty-five".