258864058 has 8 divisors (see below), whose sum is σ = 388385460. Its totient is φ = 129402240.

The previous prime is 258864017. The next prime is 258864061. The reversal of 258864058 is 850468852.

It can be written as a sum of positive squares in 2 ways, for example, as 258341329 + 522729 = 16073^2 + 723^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 258863999 and 258864017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693 + ... + 22816.

Almost surely, 2^258864058 is an apocalyptic number.

258864058 is a deficient number, since it is larger than the sum of its proper divisors (129521402).

258864058 is a wasteful number, since it uses less digits than its factorization.

258864058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29792.

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 258864058 is about 16089.2528726476. The cubic root of 258864058 is about 637.3195659037.

The spelling of 258864058 in words is "two hundred fifty-eight million, eight hundred sixty-four thousand, fifty-eight".