397680323162 has 16 divisors (see below), whose sum is σ = 638121372840. Its totient is φ = 185214363648.

The previous prime is 397680323147. The next prime is 397680323167. The reversal of 397680323162 is 261323086793.

It is a happy number.

It is a Cunningham number, because it is equal to 630619²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 309613232041 + 88067091121 = 556429^2 + 296761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 397680323162.

It is not an unprimeable number, because it can be changed into a prime (397680323167) 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 in 7 ways as a sum of consecutive naturals, for example, 60287837 + ... + 60294432.

Almost surely, 2^397680323162 is an apocalyptic number.

397680323162 is a deficient number, since it is larger than the sum of its proper divisors (240441049678).

397680323162 is a wasteful number, since it uses less digits than its factorization.

397680323162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120582385.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 397680323162 in words is "three hundred ninety-seven billion, six hundred eighty million, three hundred twenty-three thousand, one hundred sixty-two".