676557777 has 8 divisors (see below), whose sum is σ = 1030945216. Its totient is φ = 386604432.

The previous prime is 676557751. The next prime is 676557787. The reversal of 676557777 is 777755676.

It is a happy number.

676557777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 676557777 - 2¹¹ = 676555729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676557727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16108498 + ... + 16108539.

It is an arithmetic number, because the mean of its divisors is an integer number (128868152).

Almost surely, 2^676557777 is an apocalyptic number.

It is an amenable number.

676557777 is a deficient number, since it is larger than the sum of its proper divisors (354387439).

676557777 is a wasteful number, since it uses less digits than its factorization.

676557777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32217047.

The product of its digits is 15126300, while the sum is 57.

The square root of 676557777 is about 26010.7242690395. The cubic root of 676557777 is about 877.8796130274.

The spelling of 676557777 in words is "six hundred seventy-six million, five hundred fifty-seven thousand, seven hundred seventy-seven".