260105087 has 4 divisors (see below), whose sum is σ = 283751016. Its totient is φ = 236459160.

The previous prime is 260105077. The next prime is 260105101. The reversal of 260105087 is 780501062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260105087 - 2⁴ = 260105071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260105077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11822948 + ... + 11822969.

It is an arithmetic number, because the mean of its divisors is an integer number (70937754).

Almost surely, 2^260105087 is an apocalyptic number.

260105087 is a deficient number, since it is larger than the sum of its proper divisors (23645929).

260105087 is a wasteful number, since it uses less digits than its factorization.

260105087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23645928.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 260105087 is about 16127.7737769352. The cubic root of 260105087 is about 638.3364078201.

The spelling of 260105087 in words is "two hundred sixty million, one hundred five thousand, eighty-seven".