258078342173 has 8 divisors (see below), whose sum is σ = 271217467488. Its totient is φ = 245263639824.

The previous prime is 258078342169. The next prime is 258078342187. The reversal of 258078342173 is 371243870852.

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

It is a cyclic number.

It is not a de Polignac number, because 258078342173 - 2² = 258078342169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258078342143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81104111 + ... + 81107292.

It is an arithmetic number, because the mean of its divisors is an integer number (33902183436).

Almost surely, 2^258078342173 is an apocalyptic number.

It is an amenable number.

258078342173 is a deficient number, since it is larger than the sum of its proper divisors (13139125315).

258078342173 is a wasteful number, since it uses less digits than its factorization.

258078342173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162211483.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 258078342173 in words is "two hundred fifty-eight billion, seventy-eight million, three hundred forty-two thousand, one hundred seventy-three".