233428782787 has 2 divisors, whose sum is σ = 233428782788. Its totient is φ = 233428782786.

The previous prime is 233428782781. The next prime is 233428782793. The reversal of 233428782787 is 787287824332.

233428782787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (233428782781) and next prime (233428782793).

It is a cyclic number.

It is not a de Polignac number, because 233428782787 - 2⁷ = 233428782659 is a prime.

It is not a weakly prime, because it can be changed into another prime (233428782781) 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 as a sum of consecutive naturals, namely, 116714391393 + 116714391394.

It is an arithmetic number, because the mean of its divisors is an integer number (116714391394).

Almost surely, 2^233428782787 is an apocalyptic number.

233428782787 is a deficient number, since it is larger than the sum of its proper divisors (1).

233428782787 is an equidigital number, since it uses as much as digits as its factorization.

233428782787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50577408, while the sum is 61.

The spelling of 233428782787 in words is "two hundred thirty-three billion, four hundred twenty-eight million, seven hundred eighty-two thousand, seven hundred eighty-seven".