677140343 has 8 divisors (see below), whose sum is σ = 764171280. Its totient is φ = 594354880.

The previous prime is 677140339. The next prime is 677140357. The reversal of 677140343 is 343041776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677140343 - 2² = 677140339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677140313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061030 + ... + 1061667.

It is an arithmetic number, because the mean of its divisors is an integer number (95521410).

Almost surely, 2^677140343 is an apocalyptic number.

677140343 is a deficient number, since it is larger than the sum of its proper divisors (87030937).

677140343 is a wasteful number, since it uses less digits than its factorization.

677140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122737.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 677140343 is about 26021.9204325891. The cubic root of 677140343 is about 878.1315137083.

The spelling of 677140343 in words is "six hundred seventy-seven million, one hundred forty thousand, three hundred forty-three".