676926638 has 32 divisors (see below), whose sum is σ = 1108375488. Its totient is φ = 308851200.

The previous prime is 676926629. The next prime is 676926641. The reversal of 676926638 is 836629676.

It is a self number, because there is not a number n which added to its sum of digits gives 676926638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144956 + ... + 149552.

It is an arithmetic number, because the mean of its divisors is an integer number (34636734).

Almost surely, 2^676926638 is an apocalyptic number.

676926638 is a deficient number, since it is larger than the sum of its proper divisors (431448850).

676926638 is a wasteful number, since it uses less digits than its factorization.

676926638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748.

The product of its digits is 3919104, while the sum is 53.

The square root of 676926638 is about 26017.8138589698. The cubic root of 676926638 is about 878.0391247658.

The spelling of 676926638 in words is "six hundred seventy-six million, nine hundred twenty-six thousand, six hundred thirty-eight".