258228764 has 12 divisors (see below), whose sum is σ = 452892384. Its totient is φ = 128830944.

The previous prime is 258228749. The next prime is 258228769. The reversal of 258228764 is 467822852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258228769) 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, 68804 + ... + 72459.

It is an arithmetic number, because the mean of its divisors is an integer number (37741032).

Almost surely, 2^258228764 is an apocalyptic number.

It is an amenable number.

258228764 is a deficient number, since it is larger than the sum of its proper divisors (194663620).

258228764 is a wasteful number, since it uses less digits than its factorization.

258228764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141724 (or 141722 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 258228764 is about 16069.4979386414. The cubic root of 258228764 is about 636.7977772737.

The spelling of 258228764 in words is "two hundred fifty-eight million, two hundred twenty-eight thousand, seven hundred sixty-four".