478708141 has 2 divisors, whose sum is σ = 478708142. Its totient is φ = 478708140.

The previous prime is 478708103. The next prime is 478708171. The reversal of 478708141 is 141807874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464230116 + 14478025 = 21546^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 478708141 - 2⁹ = 478707629 is a prime.

It is a super-2 number, since 2×478708141² = 458322968519351762, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 478708094 and 478708103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478708171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239354070 + 239354071.

It is an arithmetic number, because the mean of its divisors is an integer number (239354071).

Almost surely, 2^478708141 is an apocalyptic number.

It is an amenable number.

478708141 is a deficient number, since it is larger than the sum of its proper divisors (1).

478708141 is an equidigital number, since it uses as much as digits as its factorization.

478708141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 478708141 is about 21879.3999232154. The cubic root of 478708141 is about 782.2704725449.

The spelling of 478708141 in words is "four hundred seventy-eight million, seven hundred eight thousand, one hundred forty-one".