259797872 has 20 divisors (see below), whose sum is σ = 503743800. Its totient is φ = 129799488.

The previous prime is 259797871. The next prime is 259797877. The reversal of 259797872 is 278797952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259797871) 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, 18254 + ... + 29202.

It is an arithmetic number, because the mean of its divisors is an integer number (25187190).

Almost surely, 2^259797872 is an apocalyptic number.

It is an amenable number.

259797872 is a deficient number, since it is larger than the sum of its proper divisors (243945928).

259797872 is a wasteful number, since it uses less digits than its factorization.

259797872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12440 (or 12434 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 56.

The square root of 259797872 is about 16118.2465547590. The cubic root of 259797872 is about 638.0849917727.

The spelling of 259797872 in words is "two hundred fifty-nine million, seven hundred ninety-seven thousand, eight hundred seventy-two".