478573007161 has 2 divisors, whose sum is σ = 478573007162. Its totient is φ = 478573007160.

The previous prime is 478573007149. The next prime is 478573007179. The reversal of 478573007161 is 161700375874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387636986025 + 90936021136 = 622605^2 + 301556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478573007161 is a prime.

It is not a weakly prime, because it can be changed into another prime (478573007461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239286503580 + 239286503581.

It is an arithmetic number, because the mean of its divisors is an integer number (239286503581).

Almost surely, 2^478573007161 is an apocalyptic number.

It is an amenable number.

478573007161 is a deficient number, since it is larger than the sum of its proper divisors (1).

478573007161 is an equidigital number, since it uses as much as digits as its factorization.

478573007161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 478573007161 in words is "four hundred seventy-eight billion, five hundred seventy-three million, seven thousand, one hundred sixty-one".