260140887 has 12 divisors (see below), whose sum is σ = 375900720. Its totient is φ = 173361888.

The previous prime is 260140883. The next prime is 260140891. The reversal of 260140887 is 788041062.

260140887 is a `hidden beast` number, since 2 + 601 + 40 + 8 + 8 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (260140883) and next prime (260140891).

It is not a de Polignac number, because 260140887 - 2² = 260140883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260140883) 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 11 ways as a sum of consecutive naturals, for example, 37939 + ... + 44267.

It is an arithmetic number, because the mean of its divisors is an integer number (31325060).

Almost surely, 2^260140887 is an apocalyptic number.

260140887 is a deficient number, since it is larger than the sum of its proper divisors (115759833).

260140887 is a wasteful number, since it uses less digits than its factorization.

260140887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902 (or 10899 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 260140887 is about 16128.8836253474. The cubic root of 260140887 is about 638.3656926440.

The spelling of 260140887 in words is "two hundred sixty million, one hundred forty thousand, eight hundred eighty-seven".