478929071 has 2 divisors, whose sum is σ = 478929072. Its totient is φ = 478929070.

The previous prime is 478928987. The next prime is 478929079. The reversal of 478929071 is 170929874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478929071 - 2²⁶ = 411820207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478929079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239464535 + 239464536.

It is an arithmetic number, because the mean of its divisors is an integer number (239464536).

Almost surely, 2^478929071 is an apocalyptic number.

478929071 is a deficient number, since it is larger than the sum of its proper divisors (1).

478929071 is an equidigital number, since it uses as much as digits as its factorization.

478929071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 478929071 is about 21884.4481538832. The cubic root of 478929071 is about 782.3907966841.

The spelling of 478929071 in words is "four hundred seventy-eight million, nine hundred twenty-nine thousand, seventy-one".