478337953 has 2 divisors, whose sum is σ = 478337954. Its totient is φ = 478337952.

The previous prime is 478337921. The next prime is 478337987. The reversal of 478337953 is 359733874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449736849 + 28601104 = 21207^2 + 5348^2 .

It is a cyclic number.

It is not a de Polignac number, because 478337953 - 2⁵ = 478337921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478337897 and 478337906.

It is not a weakly prime, because it can be changed into another prime (478337903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239168976 + 239168977.

It is an arithmetic number, because the mean of its divisors is an integer number (239168977).

Almost surely, 2^478337953 is an apocalyptic number.

It is an amenable number.

478337953 is a deficient number, since it is larger than the sum of its proper divisors (1).

478337953 is an equidigital number, since it uses as much as digits as its factorization.

478337953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The square root of 478337953 is about 21870.9385486769. The cubic root of 478337953 is about 782.0687756615.

The spelling of 478337953 in words is "four hundred seventy-eight million, three hundred thirty-seven thousand, nine hundred fifty-three".