259056678 has 16 divisors (see below), whose sum is σ = 545382720. Its totient is φ = 81807336.

The previous prime is 259056673. The next prime is 259056683. The reversal of 259056678 is 876650952.

It is a happy number.

259056678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (259056673) and next prime (259056683).

It is a super-2 number, since 2×259056678² = 134220724832791368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259056673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136100 + ... + 1136327.

It is an arithmetic number, because the mean of its divisors is an integer number (34086420).

Almost surely, 2^259056678 is an apocalyptic number.

259056678 is an abundant number, since it is smaller than the sum of its proper divisors (286326042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259056678 is a wasteful number, since it uses less digits than its factorization.

259056678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272451.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 259056678 is about 16095.2377428853. The cubic root of 259056678 is about 637.4776025964.

The spelling of 259056678 in words is "two hundred fifty-nine million, fifty-six thousand, six hundred seventy-eight".