578785461 has 16 divisors (see below), whose sum is σ = 792407616. Its totient is φ = 375572736.

The previous prime is 578785447. The next prime is 578785483. The reversal of 578785461 is 164587875.

It is a happy number.

It is not a de Polignac number, because 578785461 - 2¹⁸ = 578523317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578785421) 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, 30141 + ... + 45453.

It is an arithmetic number, because the mean of its divisors is an integer number (49525476).

Almost surely, 2^578785461 is an apocalyptic number.

It is an amenable number.

578785461 is a deficient number, since it is larger than the sum of its proper divisors (213622155).

578785461 is a wasteful number, since it uses less digits than its factorization.

578785461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15652.

The product of its digits is 1881600, while the sum is 51.

The square root of 578785461 is about 24057.9604497139. The cubic root of 578785461 is about 833.3725749876.

The spelling of 578785461 in words is "five hundred seventy-eight million, seven hundred eighty-five thousand, four hundred sixty-one".