259260878 has 4 divisors (see below), whose sum is σ = 388891320. Its totient is φ = 129630438.

The previous prime is 259260821. The next prime is 259260901. The reversal of 259260878 is 878062952.

259260878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×259260878² = 134432405722661768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64815218 + ... + 64815221.

It is an arithmetic number, because the mean of its divisors is an integer number (97222830).

Almost surely, 2^259260878 is an apocalyptic number.

259260878 is a deficient number, since it is larger than the sum of its proper divisors (129630442).

259260878 is a wasteful number, since it uses less digits than its factorization.

259260878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129630441.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 259260878 is about 16101.5799845854. The cubic root of 259260878 is about 637.6450546765.

The spelling of 259260878 in words is "two hundred fifty-nine million, two hundred sixty thousand, eight hundred seventy-eight".