676864444468677 has 16 divisors (see below), whose sum is σ = 967669198352640. Its totient is φ = 419323319281152.

The previous prime is 676864444468673. The next prime is 676864444468687. The reversal of 676864444468677 is 776864444468676.

It is not a de Polignac number, because 676864444468677 - 2² = 676864444468673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 676864444468593 and 676864444468602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676864444468673) 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, 83999058328 + ... + 83999066385.

It is an arithmetic number, because the mean of its divisors is an integer number (60479324897040).

Almost surely, 2^{676864444468677} is an apocalyptic number.

It is an amenable number.

676864444468677 is a deficient number, since it is larger than the sum of its proper divisors (290804753883963).

676864444468677 is a wasteful number, since it uses less digits than its factorization.

676864444468677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167998124812.

The product of its digits is 174795522048, while the sum is 87.

Subtracting 676864444468677 from its reverse (776864444468676), we obtain a palindrome (99999999999999).

The spelling of 676864444468677 in words is "six hundred seventy-six trillion, eight hundred sixty-four billion, four hundred forty-four million, four hundred sixty-eight thousand, six hundred seventy-seven".