677359528577 has 2 divisors, whose sum is σ = 677359528578. Its totient is φ = 677359528576.

The previous prime is 677359528553. The next prime is 677359528583. The reversal of 677359528577 is 775825953776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463167358096 + 214192170481 = 680564^2 + 462809^2 .

It is a cyclic number.

It is not a de Polignac number, because 677359528577 - 2¹² = 677359524481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677359528577.

It is not a weakly prime, because it can be changed into another prime (677359522577) 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 as a sum of consecutive naturals, namely, 338679764288 + 338679764289.

It is an arithmetic number, because the mean of its divisors is an integer number (338679764289).

Almost surely, 2^677359528577 is an apocalyptic number.

It is an amenable number.

677359528577 is a deficient number, since it is larger than the sum of its proper divisors (1).

677359528577 is an equidigital number, since it uses as much as digits as its factorization.

677359528577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777924000, while the sum is 71.

The spelling of 677359528577 in words is "six hundred seventy-seven billion, three hundred fifty-nine million, five hundred twenty-eight thousand, five hundred seventy-seven".