478932479 has 2 divisors, whose sum is σ = 478932480. Its totient is φ = 478932478.

The previous prime is 478932469. The next prime is 478932511. The reversal of 478932479 is 974239874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478932479 - 2¹⁶ = 478866943 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478932479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478932469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239466239 + 239466240.

It is an arithmetic number, because the mean of its divisors is an integer number (239466240).

Almost surely, 2^478932479 is an apocalyptic number.

478932479 is a deficient number, since it is larger than the sum of its proper divisors (1).

478932479 is an equidigital number, since it uses as much as digits as its factorization.

478932479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 478932479 is about 21884.5260172570. The cubic root of 478932479 is about 782.3926524784.

The spelling of 478932479 in words is "four hundred seventy-eight million, nine hundred thirty-two thousand, four hundred seventy-nine".