523228778 has 8 divisors (see below), whose sum is σ = 785066880. Its totient is φ = 261539820.

The previous prime is 523228777. The next prime is 523228787. The reversal of 523228778 is 877822325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (523228777) 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, 28058 + ... + 42821.

It is an arithmetic number, because the mean of its divisors is an integer number (98133360).

Almost surely, 2^523228778 is an apocalyptic number.

523228778 is a deficient number, since it is larger than the sum of its proper divisors (261838102).

523228778 is a wasteful number, since it uses less digits than its factorization.

523228778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74572.

The product of its digits is 376320, while the sum is 44.

The square root of 523228778 is about 22874.1945869139. The cubic root of 523228778 is about 805.8060817032.

The spelling of 523228778 in words is "five hundred twenty-three million, two hundred twenty-eight thousand, seven hundred seventy-eight".