9307471997 has 2 divisors, whose sum is σ = 9307471998. Its totient is φ = 9307471996.

The previous prime is 9307471981. The next prime is 9307472021. The reversal of 9307471997 is 7991747039.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8910227236 + 397244761 = 94394^2 + 19931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9307471997 - 2⁴ = 9307471981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9307474997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4653735998 + 4653735999.

It is an arithmetic number, because the mean of its divisors is an integer number (4653735999).

Almost surely, 2^9307471997 is an apocalyptic number.

It is an amenable number.

9307471997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9307471997 is an equidigital number, since it uses as much as digits as its factorization.

9307471997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000564, while the sum is 56.

The square root of 9307471997 is about 96475.2403313928. The cubic root of 9307471997 is about 2103.5067634407.

The spelling of 9307471997 in words is "nine billion, three hundred seven million, four hundred seventy-one thousand, nine hundred ninety-seven".