258794066575 has 24 divisors (see below), whose sum is σ = 350136380016. Its totient is φ = 188182368000.

The previous prime is 258794066521. The next prime is 258794066611. The reversal of 258794066575 is 575660497852.

It is not a de Polignac number, because 258794066575 - 2¹⁵ = 258794033807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1635139 + ... + 1786411.

It is an arithmetic number, because the mean of its divisors is an integer number (14589015834).

Almost surely, 2^258794066575 is an apocalyptic number.

258794066575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258794066575 is a deficient number, since it is larger than the sum of its proper divisors (91342313441).

258794066575 is a wasteful number, since it uses less digits than its factorization.

258794066575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157515 (or 157510 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 64.

The spelling of 258794066575 in words is "two hundred fifty-eight billion, seven hundred ninety-four million, sixty-six thousand, five hundred seventy-five".