478988473 has 2 divisors, whose sum is σ = 478988474. Its totient is φ = 478988472.

The previous prime is 478988467. The next prime is 478988479. The reversal of 478988473 is 374889874.

It is a balanced prime because it is at equal distance from previous prime (478988467) and next prime (478988479).

It can be written as a sum of positive squares in only one way, i.e., 415833664 + 63154809 = 20392^2 + 7947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478988473 is a prime.

It is not a weakly prime, because it can be changed into another prime (478988479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239494236 + 239494237.

It is an arithmetic number, because the mean of its divisors is an integer number (239494237).

Almost surely, 2^478988473 is an apocalyptic number.

It is an amenable number.

478988473 is a deficient number, since it is larger than the sum of its proper divisors (1).

478988473 is an equidigital number, since it uses as much as digits as its factorization.

478988473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 58.

The square root of 478988473 is about 21885.8052856183. The cubic root of 478988473 is about 782.4231422231.

The spelling of 478988473 in words is "four hundred seventy-eight million, nine hundred eighty-eight thousand, four hundred seventy-three".