255078877825 has 24 divisors (see below), whose sum is σ = 324959739192. Its totient is φ = 198478609920.

The previous prime is 255078877811. The next prime is 255078877897. The reversal of 255078877825 is 528778870552.

255078877825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 8108642304 + 246970235521 = 90048^2 + 496961^2 .

It is a de Polignac number, because none of the positive numbers 2^k-255078877825 is a prime.

It is a super-2 number, since 2×255078877825² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 2688597 + ... + 2781853.

It is an arithmetic number, because the mean of its divisors is an integer number (13539989133).

Almost surely, 2^255078877825 is an apocalyptic number.

255078877825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255078877825 is a deficient number, since it is larger than the sum of its proper divisors (69880861367).

255078877825 is a wasteful number, since it uses less digits than its factorization.

255078877825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96261 (or 96256 counting only the distinct ones).

The product of its (nonzero) digits is 87808000, while the sum is 64.

The spelling of 255078877825 in words is "two hundred fifty-five billion, seventy-eight million, eight hundred seventy-seven thousand, eight hundred twenty-five".