676381235776 has 63 divisors (see below), whose sum is σ = 1351170754473. Its totient is φ = 335943755520.

The previous prime is 676381235753. The next prime is 676381235779. The reversal of 676381235776 is 677532183676.

It is a happy number.

The square root of 676381235776 is 822424.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 216805709376 + 459575526400 = 465624^2 + 677920^2 .

It is a super-2 number, since 2×676381235776² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

Its product of digits (53343360) is a multiple of the sum of its prime divisors (686).

It is not an unprimeable number, because it can be changed into a prime (676381235779) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1467204186 + ... + 1467204646.

Almost surely, 2^676381235776 is an apocalyptic number.

676381235776 is the 822424-th square number.

It is an amenable number.

676381235776 is a deficient number, since it is larger than the sum of its proper divisors (674789518697).

676381235776 is an frugal number, since it uses more digits than its factorization.

676381235776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 686 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 61.

The spelling of 676381235776 in words is "six hundred seventy-six billion, three hundred eighty-one million, two hundred thirty-five thousand, seven hundred seventy-six".