478733851 has 2 divisors, whose sum is σ = 478733852. Its totient is φ = 478733850.

The previous prime is 478733819. The next prime is 478733863. The reversal of 478733851 is 158337874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478733851 - 2⁵ = 478733819 is a prime.

It is a super-2 number, since 2×478733851² = 458372200186580402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (478733251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239366925 + 239366926.

It is an arithmetic number, because the mean of its divisors is an integer number (239366926).

Almost surely, 2^478733851 is an apocalyptic number.

478733851 is a deficient number, since it is larger than the sum of its proper divisors (1).

478733851 is an equidigital number, since it uses as much as digits as its factorization.

478733851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 478733851 is about 21879.9874542926. The cubic root of 478733851 is about 782.2844767729.

The spelling of 478733851 in words is "four hundred seventy-eight million, seven hundred thirty-three thousand, eight hundred fifty-one".