672284456777 has 2 divisors, whose sum is σ = 672284456778. Its totient is φ = 672284456776.

The previous prime is 672284456773. The next prime is 672284456801. The reversal of 672284456777 is 777654482276.

It is a happy number.

672284456777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585690212416 + 86594244361 = 765304^2 + 294269^2 .

It is a cyclic number.

It is not a de Polignac number, because 672284456777 - 2² = 672284456773 is a prime.

It is not a weakly prime, because it can be changed into another prime (672284456773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336142228388 + 336142228389.

It is an arithmetic number, because the mean of its divisors is an integer number (336142228389).

Almost surely, 2^672284456777 is an apocalyptic number.

It is an amenable number.

672284456777 is a deficient number, since it is larger than the sum of its proper divisors (1).

672284456777 is an equidigital number, since it uses as much as digits as its factorization.

672284456777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221276160, while the sum is 65.

The spelling of 672284456777 in words is "six hundred seventy-two billion, two hundred eighty-four million, four hundred fifty-six thousand, seven hundred seventy-seven".