478067657 has 4 divisors (see below), whose sum is σ = 478155216. Its totient is φ = 477980100.

The previous prime is 478067641. The next prime is 478067677. The reversal of 478067657 is 756760874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 478067657 - 2⁴ = 478067641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478067617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35003 + ... + 46704.

It is an arithmetic number, because the mean of its divisors is an integer number (119538804).

Almost surely, 2^478067657 is an apocalyptic number.

It is an amenable number.

478067657 is a deficient number, since it is larger than the sum of its proper divisors (87559).

478067657 is an equidigital number, since it uses as much as digits as its factorization.

478067657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87558.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The square root of 478067657 is about 21864.7583339034. The cubic root of 478067657 is about 781.9214391811.

The spelling of 478067657 in words is "four hundred seventy-eight million, sixty-seven thousand, six hundred fifty-seven".