255624678 has 24 divisors (see below), whose sum is σ = 554780928. Its totient is φ = 85065552.

The previous prime is 255624673. The next prime is 255624697. The reversal of 255624678 is 876426552.

255624678 is a `hidden beast` number, since 2 + 556 + 24 + 6 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255624673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550 + ... + 22617.

It is an arithmetic number, because the mean of its divisors is an integer number (23115872).

Almost surely, 2^255624678 is an apocalyptic number.

255624678 is an abundant number, since it is smaller than the sum of its proper divisors (299156250).

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

255624678 is a wasteful number, since it uses less digits than its factorization.

255624678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23788 (or 23785 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 255624678 is about 15988.2668854382. The cubic root of 255624678 is about 634.6499635288.

The spelling of 255624678 in words is "two hundred fifty-five million, six hundred twenty-four thousand, six hundred seventy-eight".