259268878 has 12 divisors (see below), whose sum is σ = 427472640. Its totient is φ = 117849380.

The previous prime is 259268839. The next prime is 259268881. The reversal of 259268878 is 878862952.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 535438 + ... + 535921.

It is an arithmetic number, because the mean of its divisors is an integer number (35622720).

Almost surely, 2^259268878 is an apocalyptic number.

259268878 is a deficient number, since it is larger than the sum of its proper divisors (168203762).

259268878 is a wasteful number, since it uses less digits than its factorization.

259268878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071383 (or 1071372 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The square root of 259268878 is about 16101.8284054948. The cubic root of 259268878 is about 637.6516132029.

The spelling of 259268878 in words is "two hundred fifty-nine million, two hundred sixty-eight thousand, eight hundred seventy-eight".