578820971 has 2 divisors, whose sum is σ = 578820972. Its totient is φ = 578820970.

The previous prime is 578820953. The next prime is 578821043. The reversal of 578820971 is 179028875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 578820971 - 2²⁶ = 511712107 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (578820271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289410485 + 289410486.

It is an arithmetic number, because the mean of its divisors is an integer number (289410486).

Almost surely, 2^578820971 is an apocalyptic number.

578820971 is a deficient number, since it is larger than the sum of its proper divisors (1).

578820971 is an equidigital number, since it uses as much as digits as its factorization.

578820971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 578820971 is about 24058.6984477548. The cubic root of 578820971 is about 833.3896178339.

The spelling of 578820971 in words is "five hundred seventy-eight million, eight hundred twenty thousand, nine hundred seventy-one".