677536841 has 2 divisors, whose sum is σ = 677536842. Its totient is φ = 677536840.

The previous prime is 677536807. The next prime is 677536843. The reversal of 677536841 is 148635776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519657616 + 157879225 = 22796^2 + 12565^2 .

It is a cyclic number.

It is not a de Polignac number, because 677536841 - 2⁶ = 677536777 is a prime.

Together with 677536843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677536843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338768420 + 338768421.

It is an arithmetic number, because the mean of its divisors is an integer number (338768421).

Almost surely, 2^677536841 is an apocalyptic number.

It is an amenable number.

677536841 is a deficient number, since it is larger than the sum of its proper divisors (1).

677536841 is an equidigital number, since it uses as much as digits as its factorization.

677536841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 677536841 is about 26029.5378560588. The cubic root of 677536841 is about 878.3028762411.

The spelling of 677536841 in words is "six hundred seventy-seven million, five hundred thirty-six thousand, eight hundred forty-one".