578264997 has 4 divisors (see below), whose sum is σ = 771020000. Its totient is φ = 385509996.

The previous prime is 578264983. The next prime is 578265001. The reversal of 578264997 is 799462875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 578264997 - 2¹⁴ = 578248613 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 (578263997) 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, 96377497 + ... + 96377502.

It is an arithmetic number, because the mean of its divisors is an integer number (192755000).

Almost surely, 2^578264997 is an apocalyptic number.

It is an amenable number.

578264997 is a deficient number, since it is larger than the sum of its proper divisors (192755003).

578264997 is a wasteful number, since it uses less digits than its factorization.

578264997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192755002.

The product of its digits is 7620480, while the sum is 57.

The square root of 578264997 is about 24047.1411398528. The cubic root of 578264997 is about 833.1227008808.

The spelling of 578264997 in words is "five hundred seventy-eight million, two hundred sixty-four thousand, nine hundred ninety-seven".