225787884957 has 12 divisors (see below), whose sum is σ = 331484582364. Its totient is φ = 148057629120.

The previous prime is 225787884941. The next prime is 225787884961. The reversal of 225787884957 is 759488787522.

225787884957 is a `hidden beast` number, since 2 + 2 + 57 + 8 + 7 + 88 + 495 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15814068516 + 209973816441 = 125754^2 + 458229^2 .

It is not a de Polignac number, because 225787884957 - 2⁴ = 225787884941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225787884937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205635048 + ... + 205636145.

It is an arithmetic number, because the mean of its divisors is an integer number (27623715197).

Almost surely, 2^225787884957 is an apocalyptic number.

It is an amenable number.

225787884957 is a deficient number, since it is larger than the sum of its proper divisors (105696697407).

225787884957 is a wasteful number, since it uses less digits than its factorization.

225787884957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411271260 (or 411271257 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 72.

The spelling of 225787884957 in words is "two hundred twenty-five billion, seven hundred eighty-seven million, eight hundred eighty-four thousand, nine hundred fifty-seven".