258948655 has 16 divisors (see below), whose sum is σ = 355392000. Its totient is φ = 177433632.

The previous prime is 258948647. The next prime is 258948671. The reversal of 258948655 is 556849852.

It is a cyclic number.

It is not a de Polignac number, because 258948655 - 2³ = 258948647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84846 + ... + 87844.

It is an arithmetic number, because the mean of its divisors is an integer number (22212000).

Almost surely, 2^258948655 is an apocalyptic number.

258948655 is a deficient number, since it is larger than the sum of its proper divisors (96443345).

258948655 is a wasteful number, since it uses less digits than its factorization.

258948655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its digits is 3456000, while the sum is 52.

The square root of 258948655 is about 16091.8816488315. The cubic root of 258948655 is about 637.3889838723.

The spelling of 258948655 in words is "two hundred fifty-eight million, nine hundred forty-eight thousand, six hundred fifty-five".