258969968 has 10 divisors (see below), whose sum is σ = 501754344. Its totient is φ = 129484976.

The previous prime is 258969967. The next prime is 258970013. The reversal of 258969968 is 869969852.

It is a self number, because there is not a number n which added to its sum of digits gives 258969968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258969967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8092796 + ... + 8092827.

Almost surely, 2^258969968 is an apocalyptic number.

It is an amenable number.

258969968 is a deficient number, since it is larger than the sum of its proper divisors (242784376).

258969968 is a wasteful number, since it uses less digits than its factorization.

258969968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16185631 (or 16185625 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 62.

The square root of 258969968 is about 16092.5438635413. The cubic root of 258969968 is about 637.4064703489.

The spelling of 258969968 in words is "two hundred fifty-eight million, nine hundred sixty-nine thousand, nine hundred sixty-eight".