808380677641 has 2 divisors, whose sum is σ = 808380677642. Its totient is φ = 808380677640.

The previous prime is 808380677593. The next prime is 808380677659. The reversal of 808380677641 is 146776083808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500444471241 + 307936206400 = 707421^2 + 554920^2 .

It is a cyclic number.

It is not a de Polignac number, because 808380677641 - 2¹³ = 808380669449 is a prime.

It is not a weakly prime, because it can be changed into another prime (808380678641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404190338820 + 404190338821.

It is an arithmetic number, because the mean of its divisors is an integer number (404190338821).

Almost surely, 2^808380677641 is an apocalyptic number.

It is an amenable number.

808380677641 is a deficient number, since it is larger than the sum of its proper divisors (1).

808380677641 is an equidigital number, since it uses as much as digits as its factorization.

808380677641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 808380677641 in words is "eight hundred eight billion, three hundred eighty million, six hundred seventy-seven thousand, six hundred forty-one".