578400957 has 12 divisors (see below), whose sum is σ = 835870620. Its totient is φ = 385414848.

The previous prime is 578400947. The next prime is 578400959. The reversal of 578400957 is 759004875.

It can be written as a sum of positive squares in 2 ways, for example, as 342287001 + 236113956 = 18501^2 + 15366^2 .

It is not a de Polignac number, because 578400957 - 2⁷ = 578400829 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578400959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5769 + ... + 34497.

It is an arithmetic number, because the mean of its divisors is an integer number (69655885).

Almost surely, 2^578400957 is an apocalyptic number.

It is an amenable number.

578400957 is a deficient number, since it is larger than the sum of its proper divisors (257469663).

578400957 is a wasteful number, since it uses less digits than its factorization.

578400957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30972 (or 30969 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 578400957 is about 24049.9679209765. The cubic root of 578400957 is about 833.1879895673.

The spelling of 578400957 in words is "five hundred seventy-eight million, four hundred thousand, nine hundred fifty-seven".