470407997 has 2 divisors, whose sum is σ = 470407998. Its totient is φ = 470407996.

The previous prime is 470407991. The next prime is 470408009. The reversal of 470407997 is 799704074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439782841 + 30625156 = 20971^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 470407997 - 2⁸ = 470407741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470407991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235203998 + 235203999.

It is an arithmetic number, because the mean of its divisors is an integer number (235203999).

Almost surely, 2^470407997 is an apocalyptic number.

It is an amenable number.

470407997 is a deficient number, since it is larger than the sum of its proper divisors (1).

470407997 is an equidigital number, since it uses as much as digits as its factorization.

470407997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 470407997 is about 21688.8910965960. The cubic root of 470407997 is about 777.7229211598.

The spelling of 470407997 in words is "four hundred seventy million, four hundred seven thousand, nine hundred ninety-seven".