578340079 has 4 divisors (see below), whose sum is σ = 578399184. Its totient is φ = 578280976.

The previous prime is 578340053. The next prime is 578340097. The reversal of 578340079 is 970043875.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 578340079 - 2¹¹ = 578338031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578343079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10987 + ... + 35740.

It is an arithmetic number, because the mean of its divisors is an integer number (144599796).

Almost surely, 2^578340079 is an apocalyptic number.

578340079 is a deficient number, since it is larger than the sum of its proper divisors (59105).

578340079 is a wasteful number, since it uses less digits than its factorization.

578340079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59104.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 578340079 is about 24048.7022310976. The cubic root of 578340079 is about 833.1587569058.

The spelling of 578340079 in words is "five hundred seventy-eight million, three hundred forty thousand, seventy-nine".