478850387 has 2 divisors, whose sum is σ = 478850388. Its totient is φ = 478850386.

The previous prime is 478850299. The next prime is 478850417. The reversal of 478850387 is 783058874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478850387 - 2¹⁶ = 478784851 is a prime.

It is not a weakly prime, because it can be changed into another prime (478850287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239425193 + 239425194.

It is an arithmetic number, because the mean of its divisors is an integer number (239425194).

Almost surely, 2^478850387 is an apocalyptic number.

478850387 is a deficient number, since it is larger than the sum of its proper divisors (1).

478850387 is an equidigital number, since it uses as much as digits as its factorization.

478850387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 478850387 is about 21882.6503650723. The cubic root of 478850387 is about 782.3479476049.

The spelling of 478850387 in words is "four hundred seventy-eight million, eight hundred fifty thousand, three hundred eighty-seven".