260891795 has 4 divisors (see below), whose sum is σ = 313070160. Its totient is φ = 208713432.

The previous prime is 260891789. The next prime is 260891821. The reversal of 260891795 is 597198062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 597198062 = 2 ⋅298599031.

It is a cyclic number.

It is not a de Polignac number, because 260891795 - 2⁸ = 260891539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26089175 + ... + 26089184.

It is an arithmetic number, because the mean of its divisors is an integer number (78267540).

Almost surely, 2^260891795 is an apocalyptic number.

260891795 is a deficient number, since it is larger than the sum of its proper divisors (52178365).

260891795 is an equidigital number, since it uses as much as digits as its factorization.

260891795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52178364.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 260891795 is about 16152.1452135622. The cubic root of 260891795 is about 638.9793260537.

The spelling of 260891795 in words is "two hundred sixty million, eight hundred ninety-one thousand, seven hundred ninety-five".