260566887 has 8 divisors (see below), whose sum is σ = 397054336. Its totient is φ = 148895352.

The previous prime is 260566883. The next prime is 260566907. The reversal of 260566887 is 788665062.

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

It is not a de Polignac number, because 260566887 - 2² = 260566883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260566883) 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, 6203953 + ... + 6203994.

It is an arithmetic number, because the mean of its divisors is an integer number (49631792).

Almost surely, 2^260566887 is an apocalyptic number.

260566887 is a deficient number, since it is larger than the sum of its proper divisors (136487449).

260566887 is a wasteful number, since it uses less digits than its factorization.

260566887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407957.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 260566887 is about 16142.0843449661. The cubic root of 260566887 is about 638.7139596676.

The spelling of 260566887 in words is "two hundred sixty million, five hundred sixty-six thousand, eight hundred eighty-seven".