578045780173 has 2 divisors, whose sum is σ = 578045780174. Its totient is φ = 578045780172.

The previous prime is 578045780149. The next prime is 578045780197. The reversal of 578045780173 is 371087540875.

It is a balanced prime because it is at equal distance from previous prime (578045780149) and next prime (578045780197).

It can be written as a sum of positive squares in only one way, i.e., 538459504804 + 39586275369 = 733798^2 + 198963^2 .

It is a cyclic number.

It is not a de Polignac number, because 578045780173 - 2¹³ = 578045771981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578045789173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289022890086 + 289022890087.

It is an arithmetic number, because the mean of its divisors is an integer number (289022890087).

Almost surely, 2^578045780173 is an apocalyptic number.

It is an amenable number.

578045780173 is a deficient number, since it is larger than the sum of its proper divisors (1).

578045780173 is an equidigital number, since it uses as much as digits as its factorization.

578045780173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6585600, while the sum is 55.

The spelling of 578045780173 in words is "five hundred seventy-eight billion, forty-five million, seven hundred eighty thousand, one hundred seventy-three".