676722256402 has 16 divisors (see below), whose sum is σ = 1032049027224. Its totient is φ = 332709408000.

The previous prime is 676722256289. The next prime is 676722256403. The reversal of 676722256402 is 204652227676.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 164869293681 + 511852962721 = 406041^2 + 715439^2 .

It is not an unprimeable number, because it can be changed into a prime (676722256403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483799 + ... + 1259962.

Almost surely, 2^676722256402 is an apocalyptic number.

676722256402 is a deficient number, since it is larger than the sum of its proper divisors (355326770822).

676722256402 is a wasteful number, since it uses less digits than its factorization.

676722256402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747005.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 676722256402 in words is "six hundred seventy-six billion, seven hundred twenty-two million, two hundred fifty-six thousand, four hundred two".