578422257 has 16 divisors (see below), whose sum is σ = 883464192. Its totient is φ = 329754960.

The previous prime is 578422237. The next prime is 578422277. The reversal of 578422257 is 752224875.

It is an interprime number because it is at equal distance from previous prime (578422237) and next prime (578422277).

It is not a de Polignac number, because 578422257 - 2¹² = 578418161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (578422237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22903 + ... + 41004.

It is an arithmetic number, because the mean of its divisors is an integer number (55216512).

Almost surely, 2^578422257 is an apocalyptic number.

It is an amenable number.

578422257 is a deficient number, since it is larger than the sum of its proper divisors (305041935).

578422257 is a wasteful number, since it uses less digits than its factorization.

578422257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64348.

The product of its digits is 313600, while the sum is 42.

The square root of 578422257 is about 24050.4107449332. The cubic root of 578422257 is about 833.1982170090.

The spelling of 578422257 in words is "five hundred seventy-eight million, four hundred twenty-two thousand, two hundred fifty-seven".