578664342 has 48 divisors (see below), whose sum is σ = 1338405120. Its totient is φ = 180154800.

The previous prime is 578664319. The next prime is 578664353. The reversal of 578664342 is 243466875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12367 + ... + 36197.

It is an arithmetic number, because the mean of its divisors is an integer number (27883440).

Almost surely, 2^578664342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578664342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669202560).

578664342 is an abundant number, since it is smaller than the sum of its proper divisors (759740778).

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

578664342 is a wasteful number, since it uses less digits than its factorization.

578664342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23929 (or 23926 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 578664342 is about 24055.4430846742. The cubic root of 578664342 is about 833.3144392872.

The spelling of 578664342 in words is "five hundred seventy-eight million, six hundred sixty-four thousand, three hundred forty-two".