476349997 has 2 divisors, whose sum is σ = 476349998. Its totient is φ = 476349996.

The previous prime is 476349961. The next prime is 476350009. The reversal of 476349997 is 799943674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268009641 + 208340356 = 16371^2 + 14434^2 .

It is a cyclic number.

It is not a de Polignac number, because 476349997 - 2⁷ = 476349869 is a prime.

It is a super-3 number, since 3×476349997³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476449997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238174998 + 238174999.

It is an arithmetic number, because the mean of its divisors is an integer number (238174999).

Almost surely, 2^476349997 is an apocalyptic number.

It is an amenable number.

476349997 is a deficient number, since it is larger than the sum of its proper divisors (1).

476349997 is an equidigital number, since it uses as much as digits as its factorization.

476349997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 58.

The square root of 476349997 is about 21825.4437984660. The cubic root of 476349997 is about 780.9838543717.

The spelling of 476349997 in words is "four hundred seventy-six million, three hundred forty-nine thousand, nine hundred ninety-seven".