676722551779 has 8 divisors (see below), whose sum is σ = 678540165120. Its totient is φ = 674905203336.

The previous prime is 676722551777. The next prime is 676722551833. The reversal of 676722551779 is 977155227676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676722551779 - 2¹ = 676722551777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676722551779.

It is not an unprimeable number, because it can be changed into a prime (676722551777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5727502 + ... + 5844460.

It is an arithmetic number, because the mean of its divisors is an integer number (84817520640).

Almost surely, 2^676722551779 is an apocalyptic number.

676722551779 is a deficient number, since it is larger than the sum of its proper divisors (1817613341).

676722551779 is a wasteful number, since it uses less digits than its factorization.

676722551779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132449.

The product of its digits is 77792400, while the sum is 64.

The spelling of 676722551779 in words is "six hundred seventy-six billion, seven hundred twenty-two million, five hundred fifty-one thousand, seven hundred seventy-nine".