676978484879676 has 144 divisors (see below), whose sum is σ = 1852687071446400. Its totient is φ = 191828095949952.

The previous prime is 676978484879659. The next prime is 676978484879693.

676978484879676 is nontrivially palindromic in base 10.

676978484879676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (676978484879659) and next prime (676978484879693).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73026970 + ... + 81773438.

It is an arithmetic number, because the mean of its divisors is an integer number (12865882440600).

Almost surely, 2^{676978484879676} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676978484879676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926343535723200).

676978484879676 is an abundant number, since it is smaller than the sum of its proper divisors (1175708586566724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676978484879676 is a wasteful number, since it uses less digits than its factorization.

676978484879676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747576 (or 8747567 counting only the distinct ones).

The product of its digits is 2064772104192, while the sum is 102.

The spelling of 676978484879676 in words is "six hundred seventy-six trillion, nine hundred seventy-eight billion, four hundred eighty-four million, eight hundred seventy-nine thousand, six hundred seventy-six".