675685020377 has 2 divisors, whose sum is σ = 675685020378. Its totient is φ = 675685020376.

The previous prime is 675685020347. The next prime is 675685020403. The reversal of 675685020377 is 773020586576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626339285056 + 49345735321 = 791416^2 + 222139^2 .

It is a cyclic number.

It is not a de Polignac number, because 675685020377 - 2⁶ = 675685020313 is a prime.

It is not a weakly prime, because it can be changed into another prime (675685020337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337842510188 + 337842510189.

It is an arithmetic number, because the mean of its divisors is an integer number (337842510189).

Almost surely, 2^675685020377 is an apocalyptic number.

It is an amenable number.

675685020377 is a deficient number, since it is larger than the sum of its proper divisors (1).

675685020377 is an equidigital number, since it uses as much as digits as its factorization.

675685020377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 675685020377 in words is "six hundred seventy-five billion, six hundred eighty-five million, twenty thousand, three hundred seventy-seven".