578085377 has 2 divisors, whose sum is σ = 578085378. Its totient is φ = 578085376.

The previous prime is 578085367. The next prime is 578085407. The reversal of 578085377 is 773580875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511483456 + 66601921 = 22616^2 + 8161^2 .

It is a cyclic number.

It is not a de Polignac number, because 578085377 - 2¹⁴ = 578068993 is a prime.

It is a super-3 number, since 3×578085377³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (578085307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289042688 + 289042689.

It is an arithmetic number, because the mean of its divisors is an integer number (289042689).

Almost surely, 2^578085377 is an apocalyptic number.

It is an amenable number.

578085377 is a deficient number, since it is larger than the sum of its proper divisors (1).

578085377 is an equidigital number, since it uses as much as digits as its factorization.

578085377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The square root of 578085377 is about 24043.4061022976. The cubic root of 578085377 is about 833.0364307467.

The spelling of 578085377 in words is "five hundred seventy-eight million, eighty-five thousand, three hundred seventy-seven".