578827161 has 32 divisors (see below), whose sum is σ = 938298240. Its totient is φ = 349747200.

The previous prime is 578827157. The next prime is 578827163. The reversal of 578827161 is 161728875.

It is a happy number.

578827161 is a `hidden beast` number, since 578 + 8 + 2 + 71 + 6 + 1 = 666.

It is not a de Polignac number, because 578827161 - 2² = 578827157 is a prime.

It is a super-2 number, since 2×578827161² = 670081764622639842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (578827163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102081 + ... + 107601.

It is an arithmetic number, because the mean of its divisors is an integer number (29321820).

Almost surely, 2^578827161 is an apocalyptic number.

It is an amenable number.

578827161 is a deficient number, since it is larger than the sum of its proper divisors (359471079).

578827161 is a wasteful number, since it uses less digits than its factorization.

578827161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894 (or 5888 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 578827161 is about 24058.8270911115. The cubic root of 578827161 is about 833.3925886220.

The spelling of 578827161 in words is "five hundred seventy-eight million, eight hundred twenty-seven thousand, one hundred sixty-one".