255427899356 has 12 divisors (see below), whose sum is σ = 510855798768. Its totient is φ = 109469099712.

The previous prime is 255427899329. The next prime is 255427899431. The reversal of 255427899356 is 653998724552.

255427899356 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 255427899292 and 255427899301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4561212461 + ... + 4561212516.

It is an arithmetic number, because the mean of its divisors is an integer number (42571316564).

Almost surely, 2^255427899356 is an apocalyptic number.

It is an amenable number.

255427899356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255427899356 is a wasteful number, since it uses less digits than its factorization.

255427899356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122424988 (or 9122424986 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 65.

The spelling of 255427899356 in words is "two hundred fifty-five billion, four hundred twenty-seven million, eight hundred ninety-nine thousand, three hundred fifty-six".