397577763459089 has 2 divisors, whose sum is σ = 397577763459090. Its totient is φ = 397577763459088.

The previous prime is 397577763459067. The next prime is 397577763459103. The reversal of 397577763459089 is 980954367775793.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286946389218064 + 110631374241025 = 16939492^2 + 10518145^2 .

It is a cyclic number.

It is not a de Polignac number, because 397577763459089 - 2⁸ = 397577763458833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397577763458995 and 397577763459013.

It is not a weakly prime, because it can be changed into another prime (397577763459059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198788881729544 + 198788881729545.

It is an arithmetic number, because the mean of its divisors is an integer number (198788881729545).

Almost surely, 2^{397577763459089} is an apocalyptic number.

It is an amenable number.

397577763459089 is a deficient number, since it is larger than the sum of its proper divisors (1).

397577763459089 is an equidigital number, since it uses as much as digits as its factorization.

397577763459089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75614212800, while the sum is 89.

The spelling of 397577763459089 in words is "three hundred ninety-seven trillion, five hundred seventy-seven billion, seven hundred sixty-three million, four hundred fifty-nine thousand, eighty-nine".