259759855 has 4 divisors (see below), whose sum is σ = 311711832. Its totient is φ = 207807880.

The previous prime is 259759853. The next prime is 259759883. The reversal of 259759855 is 558957952.

It is a happy number.

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

It is not a de Polignac number, because 259759855 - 2¹ = 259759853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259759796 and 259759805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259759853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25975981 + ... + 25975990.

It is an arithmetic number, because the mean of its divisors is an integer number (77927958).

Almost surely, 2^259759855 is an apocalyptic number.

259759855 is a deficient number, since it is larger than the sum of its proper divisors (51951977).

259759855 is an equidigital number, since it uses as much as digits as its factorization.

259759855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51951976.

The product of its digits is 5670000, while the sum is 55.

The square root of 259759855 is about 16117.0671959882. The cubic root of 259759855 is about 638.0538659590.

The spelling of 259759855 in words is "two hundred fifty-nine million, seven hundred fifty-nine thousand, eight hundred fifty-five".