260347851 has 10 divisors (see below), whose sum is σ = 388914812. Its totient is φ = 173565180.

The previous prime is 260347837. The next prime is 260347859. The reversal of 260347851 is 158743062.

260347851 is a `hidden beast` number, since 2 + 603 + 47 + 8 + 5 + 1 = 666.

It is not a de Polignac number, because 260347851 - 2²⁵ = 226793419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260347859) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1607005 + ... + 1607166.

Almost surely, 2^260347851 is an apocalyptic number.

260347851 is a deficient number, since it is larger than the sum of its proper divisors (128566961).

260347851 is an equidigital number, since it uses as much as digits as its factorization.

260347851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214183 (or 3214174 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 260347851 is about 16135.2982928733. The cubic root of 260347851 is about 638.5349390051.

The spelling of 260347851 in words is "two hundred sixty million, three hundred forty-seven thousand, eight hundred fifty-one".