258664405979 has 8 divisors (see below), whose sum is σ = 295625077248. Its totient is φ = 221705888040.

The previous prime is 258664405969. The next prime is 258664405999. The reversal of 258664405979 is 979504466852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258664405979 - 2¹⁶ = 258664340443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258664405969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272147 + ... + 769020.

It is an arithmetic number, because the mean of its divisors is an integer number (36953134656).

Almost surely, 2^258664405979 is an apocalyptic number.

258664405979 is a deficient number, since it is larger than the sum of its proper divisors (36960671269).

258664405979 is a wasteful number, since it uses less digits than its factorization.

258664405979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076665.

The product of its (nonzero) digits is 130636800, while the sum is 65.

The spelling of 258664405979 in words is "two hundred fifty-eight billion, six hundred sixty-four million, four hundred five thousand, nine hundred seventy-nine".