677851423 has 16 divisors (see below), whose sum is σ = 739327680. Its totient is φ = 619508736.

The previous prime is 677851417. The next prime is 677851439. The reversal of 677851423 is 324158776.

677851423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-677851423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677851423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677851403) 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, 59461 + ... + 69937.

It is an arithmetic number, because the mean of its divisors is an integer number (46207980).

Almost surely, 2^677851423 is an apocalyptic number.

677851423 is a deficient number, since it is larger than the sum of its proper divisors (61476257).

677851423 is a wasteful number, since it uses less digits than its factorization.

677851423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626.

The product of its digits is 282240, while the sum is 43.

The square root of 677851423 is about 26035.5799436079. The cubic root of 677851423 is about 878.4387879278.

The spelling of 677851423 in words is "six hundred seventy-seven million, eight hundred fifty-one thousand, four hundred twenty-three".