677769543 has 24 divisors (see below), whose sum is σ = 1114439040. Its totient is φ = 392908560.

The previous prime is 677769529. The next prime is 677769581. The reversal of 677769543 is 345967776.

677769543 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 677769543 - 2⁵ = 677769511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677769543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677764543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146553 + ... + 151106.

It is an arithmetic number, because the mean of its divisors is an integer number (46434960).

Almost surely, 2^677769543 is an apocalyptic number.

677769543 is a deficient number, since it is larger than the sum of its proper divisors (436669497).

677769543 is a wasteful number, since it uses less digits than its factorization.

677769543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297699 (or 297696 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The square root of 677769543 is about 26034.0074325871. The cubic root of 677769543 is about 878.4034166248.

The spelling of 677769543 in words is "six hundred seventy-seven million, seven hundred sixty-nine thousand, five hundred forty-three".