478296761 has 2 divisors, whose sum is σ = 478296762. Its totient is φ = 478296760.

The previous prime is 478296757. The next prime is 478296809. The reversal of 478296761 is 167692874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472627600 + 5669161 = 21740^2 + 2381^2 .

It is a cyclic number.

It is not a de Polignac number, because 478296761 - 2² = 478296757 is a prime.

It is a super-2 number, since 2×478296761² = 457535583166182242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (478296701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239148380 + 239148381.

It is an arithmetic number, because the mean of its divisors is an integer number (239148381).

Almost surely, 2^478296761 is an apocalyptic number.

It is an amenable number.

478296761 is a deficient number, since it is larger than the sum of its proper divisors (1).

478296761 is an equidigital number, since it uses as much as digits as its factorization.

478296761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 478296761 is about 21869.9968221305. The cubic root of 478296761 is about 782.0463257726.

The spelling of 478296761 in words is "four hundred seventy-eight million, two hundred ninety-six thousand, seven hundred sixty-one".