255630924877 has 4 divisors (see below), whose sum is σ = 263877083776. Its totient is φ = 247384765980.

The previous prime is 255630924853. The next prime is 255630924907. The reversal of 255630924877 is 778429036552.

It is a happy number.

255630924877 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255630924877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255630904877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4123079403 + ... + 4123079464.

It is an arithmetic number, because the mean of its divisors is an integer number (65969270944).

Almost surely, 2^255630924877 is an apocalyptic number.

It is an amenable number.

255630924877 is a deficient number, since it is larger than the sum of its proper divisors (8246158899).

255630924877 is an equidigital number, since it uses as much as digits as its factorization.

255630924877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246158898.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 255630924877 in words is "two hundred fifty-five billion, six hundred thirty million, nine hundred twenty-four thousand, eight hundred seventy-seven".