327783960457 has 2 divisors, whose sum is σ = 327783960458. Its totient is φ = 327783960456.

The previous prime is 327783960451. The next prime is 327783960487. The reversal of 327783960457 is 754069387723.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232836165961 + 94947794496 = 482531^2 + 308136^2 .

It is an emirp because it is prime and its reverse (754069387723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327783960457 - 2²⁷ = 327649742729 is a prime.

It is a super-2 number, since 2×327783960457² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 327783960395 and 327783960404.

It is not a weakly prime, because it can be changed into another prime (327783960451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163891980228 + 163891980229.

It is an arithmetic number, because the mean of its divisors is an integer number (163891980229).

Almost surely, 2^327783960457 is an apocalyptic number.

It is an amenable number.

327783960457 is a deficient number, since it is larger than the sum of its proper divisors (1).

327783960457 is an equidigital number, since it uses as much as digits as its factorization.

327783960457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 327783960457 in words is "three hundred twenty-seven billion, seven hundred eighty-three million, nine hundred sixty thousand, four hundred fifty-seven".