259795863 has 16 divisors (see below), whose sum is σ = 385285600. Its totient is φ = 173016000.

The previous prime is 259795849. The next prime is 259795883. The reversal of 259795863 is 368597952.

259795863 is a `hidden beast` number, since 2 + 59 + 7 + 9 + 586 + 3 = 666.

It is not a de Polignac number, because 259795863 - 2⁶ = 259795799 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 (259795813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24363 + ... + 33363.

It is an arithmetic number, because the mean of its divisors is an integer number (24080350).

Almost surely, 2^259795863 is an apocalyptic number.

259795863 is a deficient number, since it is larger than the sum of its proper divisors (125489737).

259795863 is a wasteful number, since it uses less digits than its factorization.

259795863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10079 (or 10073 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 259795863 is about 16118.1842339638. The cubic root of 259795863 is about 638.0833470119.

The spelling of 259795863 in words is "two hundred fifty-nine million, seven hundred ninety-five thousand, eight hundred sixty-three".