258672956265 has 24 divisors (see below), whose sum is σ = 448379235720. Its totient is φ = 137954978304.

The previous prime is 258672956251. The next prime is 258672956291. The reversal of 258672956265 is 562659276852.

258672956265 is a `hidden beast` number, since 2 + 5 + 8 + 6 + 7 + 2 + 9 + 562 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35394025689 + 223278930576 = 188133^2 + 472524^2 .

It is not a de Polignac number, because 258672956265 - 2⁴ = 258672956249 is a prime.

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, 2234449 + ... + 2347361.

It is an arithmetic number, because the mean of its divisors is an integer number (18682468155).

Almost surely, 2^258672956265 is an apocalyptic number.

It is an amenable number.

258672956265 is a deficient number, since it is larger than the sum of its proper divisors (189706279455).

258672956265 is a wasteful number, since it uses less digits than its factorization.

258672956265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163833 (or 163830 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 258672956265 in words is "two hundred fifty-eight billion, six hundred seventy-two million, nine hundred fifty-six thousand, two hundred sixty-five".