676450987344 has 160 divisors (see below), whose sum is σ = 2118808673280. Its totient is φ = 204924297600.

The previous prime is 676450987307. The next prime is 676450987357. The reversal of 676450987344 is 443789054676.

It is a happy number.

676450987344 is a `hidden beast` number, since 6 + 7 + 6 + 4 + 509 + 87 + 3 + 44 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17520349 + ... + 17558915.

It is an arithmetic number, because the mean of its divisors is an integer number (13242554208).

Almost surely, 2^676450987344 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 676450987344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059404336640).

676450987344 is an abundant number, since it is smaller than the sum of its proper divisors (1442357685936).

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

676450987344 is a wasteful number, since it uses less digits than its factorization.

676450987344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42286 (or 42274 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 676450987344 in words is "six hundred seventy-six billion, four hundred fifty million, nine hundred eighty-seven thousand, three hundred forty-four".