677301881 has 2 divisors, whose sum is σ = 677301882. Its totient is φ = 677301880.

The previous prime is 677301871. The next prime is 677301917. The reversal of 677301881 is 188103776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676000000 + 1301881 = 26000^2 + 1141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677301881 is a prime.

It is a super-2 number, since 2×677301881² = 917475676012276322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677301871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338650940 + 338650941.

It is an arithmetic number, because the mean of its divisors is an integer number (338650941).

Almost surely, 2^677301881 is an apocalyptic number.

It is an amenable number.

677301881 is a deficient number, since it is larger than the sum of its proper divisors (1).

677301881 is an equidigital number, since it uses as much as digits as its factorization.

677301881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 677301881 is about 26025.0241306324. The cubic root of 677301881 is about 878.2013369147.

The spelling of 677301881 in words is "six hundred seventy-seven million, three hundred one thousand, eight hundred eighty-one".