676865385504 has 720 divisors, whose sum is σ = 2674849716000. Its totient is φ = 165461667840.

The previous prime is 676865385473. The next prime is 676865385529. The reversal of 676865385504 is 405583568676.

676865385504 is a `hidden beast` number, since 6 + 7 + 68 + 65 + 3 + 8 + 5 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 23736247 + ... + 23764745.

It is an arithmetic number, because the mean of its divisors is an integer number (3715069050).

Almost surely, 2^676865385504 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 676865385504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337424858000).

676865385504 is an abundant number, since it is smaller than the sum of its proper divisors (1997984330496).

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

676865385504 is a wasteful number, since it uses less digits than its factorization.

676865385504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28563 (or 28539 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 676865385504 in words is "six hundred seventy-six billion, eight hundred sixty-five million, three hundred eighty-five thousand, five hundred four".