676389464802 has 96 divisors (see below), whose sum is σ = 1545573045744. Its totient is φ = 213547622400.

The previous prime is 676389464801. The next prime is 676389464819. The reversal of 676389464802 is 208464983676.

676389464802 is a `hidden beast` number, since 6 + 7 + 63 + 8 + 94 + 6 + 480 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 206425744281 + 469963720521 = 454341^2 + 685539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 676389464802.

It is not an unprimeable number, because it can be changed into a prime (676389464801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3854902 + ... + 4026542.

Almost surely, 2^676389464802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676389464802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772786522872).

676389464802 is an abundant number, since it is smaller than the sum of its proper divisors (869183580942).

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

676389464802 is a wasteful number, since it uses less digits than its factorization.

676389464802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171844 (or 171841 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 676389464802 in words is "six hundred seventy-six billion, three hundred eighty-nine million, four hundred sixty-four thousand, eight hundred two".