259928427 has 16 divisors (see below), whose sum is σ = 379987200. Its totient is φ = 156736800.

The previous prime is 259928413. The next prime is 259928429. The reversal of 259928427 is 724829952.

It is not a de Polignac number, because 259928427 - 2¹² = 259924331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259928429) 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, 13224 + ... + 26357.

It is an arithmetic number, because the mean of its divisors is an integer number (23749200).

Almost surely, 2^259928427 is an apocalyptic number.

259928427 is a deficient number, since it is larger than the sum of its proper divisors (120058773).

259928427 is a wasteful number, since it uses less digits than its factorization.

259928427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39794.

The product of its digits is 725760, while the sum is 48.

The square root of 259928427 is about 16122.2959593229. The cubic root of 259928427 is about 638.1918584880.

The spelling of 259928427 in words is "two hundred fifty-nine million, nine hundred twenty-eight thousand, four hundred twenty-seven".