683881477 has 2 divisors, whose sum is σ = 683881478. Its totient is φ = 683881476.

The previous prime is 683881469. The next prime is 683881501. The reversal of 683881477 is 774188386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590198436 + 93683041 = 24294^2 + 9679^2 .

It is a cyclic number.

It is not a de Polignac number, because 683881477 - 2³ = 683881469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683881577) 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, 341940738 + 341940739.

It is an arithmetic number, because the mean of its divisors is an integer number (341940739).

Almost surely, 2^683881477 is an apocalyptic number.

It is an amenable number.

683881477 is a deficient number, since it is larger than the sum of its proper divisors (1).

683881477 is an equidigital number, since it uses as much as digits as its factorization.

683881477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 52.

The square root of 683881477 is about 26151.1276429908. The cubic root of 683881477 is about 881.0359172003.

The spelling of 683881477 in words is "six hundred eighty-three million, eight hundred eighty-one thousand, four hundred seventy-seven".