578789069 has 2 divisors, whose sum is σ = 578789070. Its totient is φ = 578789068.

The previous prime is 578789017. The next prime is 578789093. The reversal of 578789069 is 960987875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570015625 + 8773444 = 23875^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 578789069 - 2²⁸ = 310353613 is a prime.

It is a super-2 number, since 2×578789069² = 669993572787773522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 578788999 and 578789017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578789269) 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, 289394534 + 289394535.

It is an arithmetic number, because the mean of its divisors is an integer number (289394535).

Almost surely, 2^578789069 is an apocalyptic number.

It is an amenable number.

578789069 is a deficient number, since it is larger than the sum of its proper divisors (1).

578789069 is an equidigital number, since it uses as much as digits as its factorization.

578789069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 578789069 is about 24058.0354351722. The cubic root of 578789069 is about 833.3743066609.

The spelling of 578789069 in words is "five hundred seventy-eight million, seven hundred eighty-nine thousand, sixty-nine".