478696577 has 2 divisors, whose sum is σ = 478696578. Its totient is φ = 478696576.

The previous prime is 478696573. The next prime is 478696579. The reversal of 478696577 is 775696874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313856656 + 164839921 = 17716^2 + 12839^2 .

It is a cyclic number.

It is not a de Polignac number, because 478696577 - 2² = 478696573 is a prime.

Together with 478696579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (478696573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239348288 + 239348289.

It is an arithmetic number, because the mean of its divisors is an integer number (239348289).

Almost surely, 2^478696577 is an apocalyptic number.

It is an amenable number.

478696577 is a deficient number, since it is larger than the sum of its proper divisors (1).

478696577 is an equidigital number, since it uses as much as digits as its factorization.

478696577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 59.

The square root of 478696577 is about 21879.1356547739. The cubic root of 478696577 is about 782.2641734747.

The spelling of 478696577 in words is "four hundred seventy-eight million, six hundred ninety-six thousand, five hundred seventy-seven".