478336787 has 2 divisors, whose sum is σ = 478336788. Its totient is φ = 478336786.

The previous prime is 478336741. The next prime is 478336801. The reversal of 478336787 is 787633874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478336787 - 2¹⁰ = 478335763 is a prime.

It is not a weakly prime, because it can be changed into another prime (478336717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239168393 + 239168394.

It is an arithmetic number, because the mean of its divisors is an integer number (239168394).

Almost surely, 2^478336787 is an apocalyptic number.

478336787 is a deficient number, since it is larger than the sum of its proper divisors (1).

478336787 is an equidigital number, since it uses as much as digits as its factorization.

478336787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The square root of 478336787 is about 21870.9118922829. The cubic root of 478336787 is about 782.0681402022.

The spelling of 478336787 in words is "four hundred seventy-eight million, three hundred thirty-six thousand, seven hundred eighty-seven".