578890813 has 2 divisors, whose sum is σ = 578890814. Its totient is φ = 578890812.

The previous prime is 578890771. The next prime is 578890861. The reversal of 578890813 is 318098875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534441924 + 44448889 = 23118^2 + 6667^2 .

It is a cyclic number.

It is not a de Polignac number, because 578890813 - 2²¹ = 576793661 is a prime.

It is a super-2 number, since 2×578890813² = 670229146751601938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578890313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289445406 + 289445407.

It is an arithmetic number, because the mean of its divisors is an integer number (289445407).

Almost surely, 2^578890813 is an apocalyptic number.

It is an amenable number.

578890813 is a deficient number, since it is larger than the sum of its proper divisors (1).

578890813 is an equidigital number, since it uses as much as digits as its factorization.

578890813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 578890813 is about 24060.1498956262. The cubic root of 578890813 is about 833.4231361178.

The spelling of 578890813 in words is "five hundred seventy-eight million, eight hundred ninety thousand, eight hundred thirteen".