478300087 has 2 divisors, whose sum is σ = 478300088. Its totient is φ = 478300086.

The previous prime is 478300057. The next prime is 478300093. The reversal of 478300087 is 780003874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478300087 - 2¹⁹ = 477775799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478300057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239150043 + 239150044.

It is an arithmetic number, because the mean of its divisors is an integer number (239150044).

Almost surely, 2^478300087 is an apocalyptic number.

478300087 is a deficient number, since it is larger than the sum of its proper divisors (1).

478300087 is an equidigital number, since it uses as much as digits as its factorization.

478300087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 478300087 is about 21870.0728622472. The cubic root of 478300087 is about 782.0481385105.

The spelling of 478300087 in words is "four hundred seventy-eight million, three hundred thousand, eighty-seven".