578663245890 has 96 divisors (see below), whose sum is σ = 1642365990720. Its totient is φ = 146188597824.

The previous prime is 578663245877. The next prime is 578663245891. The reversal of 578663245890 is 98542366875.

It is a happy number.

578663245890 is a `hidden beast` number, since 5 + 7 + 8 + 66 + 32 + 458 + 90 = 666.

It is not an unprimeable number, because it can be changed into a prime (578663245891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6220489 + ... + 6312828.

It is an arithmetic number, because the mean of its divisors is an integer number (17107979070).

Almost surely, 2^578663245890 is an apocalyptic number.

578663245890 is an abundant number, since it is smaller than the sum of its proper divisors (1063702744830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

578663245890 is a wasteful number, since it uses less digits than its factorization.

578663245890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533358 (or 12533346 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 578663245890 in words is "five hundred seventy-eight billion, six hundred sixty-three million, two hundred forty-five thousand, eight hundred ninety".