260385867 has 32 divisors (see below), whose sum is σ = 456076800. Its totient is φ = 143658144.

The previous prime is 260385863. The next prime is 260385871. The reversal of 260385867 is 768583062.

260385867 is a `hidden beast` number, since 2 + 60 + 3 + 8 + 586 + 7 = 666.

260385867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (260385863) and next prime (260385871).

It is not a de Polignac number, because 260385867 - 2² = 260385863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260385863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18273 + ... + 29234.

It is an arithmetic number, because the mean of its divisors is an integer number (14252400).

Almost surely, 2^260385867 is an apocalyptic number.

260385867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

260385867 is a deficient number, since it is larger than the sum of its proper divisors (195690933).

260385867 is a wasteful number, since it uses less digits than its factorization.

260385867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47552 (or 47546 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 260385867 is about 16136.4762882111. The cubic root of 260385867 is about 638.5660171220.

The spelling of 260385867 in words is "two hundred sixty million, three hundred eighty-five thousand, eight hundred sixty-seven".