258471885 has 16 divisors (see below), whose sum is σ = 472634496. Its totient is φ = 118158528.

The previous prime is 258471881. The next prime is 258471887. The reversal of 258471885 is 588174852.

It is not a de Polignac number, because 258471885 - 2² = 258471881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258471881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230714 + ... + 1230923.

It is an arithmetic number, because the mean of its divisors is an integer number (29539656).

Almost surely, 2^258471885 is an apocalyptic number.

It is an amenable number.

258471885 is a deficient number, since it is larger than the sum of its proper divisors (214162611).

258471885 is a wasteful number, since it uses less digits than its factorization.

258471885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461652.

The product of its digits is 716800, while the sum is 48.

The square root of 258471885 is about 16077.0608321297. The cubic root of 258471885 is about 636.9975618218.

The spelling of 258471885 in words is "two hundred fifty-eight million, four hundred seventy-one thousand, eight hundred eighty-five".