255630924878 has 32 divisors (see below), whose sum is σ = 442628686080. Its totient is φ = 108459521280.

The previous prime is 255630924853. The next prime is 255630924907. The reversal of 255630924878 is 878429036552.

255630924878 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500873 + ... + 873003.

It is an arithmetic number, because the mean of its divisors is an integer number (13832146440).

Almost surely, 2^255630924878 is an apocalyptic number.

255630924878 is a deficient number, since it is larger than the sum of its proper divisors (186997761202).

255630924878 is a wasteful number, since it uses less digits than its factorization.

255630924878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372632.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 255630924878 in words is "two hundred fifty-five billion, six hundred thirty million, nine hundred twenty-four thousand, eight hundred seventy-eight".