255878706 has 16 divisors (see below), whose sum is σ = 515440800. Its totient is φ = 84679008.

The previous prime is 255878683. The next prime is 255878729. The reversal of 255878706 is 607878552.

It is an interprime number because it is at equal distance from previous prime (255878683) and next prime (255878729).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152571 + ... + 154238.

It is an arithmetic number, because the mean of its divisors is an integer number (32215050).

Almost surely, 2^255878706 is an apocalyptic number.

255878706 is an abundant number, since it is smaller than the sum of its proper divisors (259562094).

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

255878706 is a wasteful number, since it uses less digits than its factorization.

255878706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306953.

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 255878706 is about 15996.2091134118. The cubic root of 255878706 is about 634.8601225371.

The spelling of 255878706 in words is "two hundred fifty-five million, eight hundred seventy-eight thousand, seven hundred six".