97697983 has 2 divisors, whose sum is σ = 97697984. Its totient is φ = 97697982.

The previous prime is 97697947. The next prime is 97697989. The reversal of 97697983 is 38979679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97697983 - 2⁹ = 97697471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97697989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48848991 + 48848992.

It is an arithmetic number, because the mean of its divisors is an integer number (48848992).

Almost surely, 2^97697983 is an apocalyptic number.

97697983 is a deficient number, since it is larger than the sum of its proper divisors (1).

97697983 is an equidigital number, since it uses as much as digits as its factorization.

97697983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 58.

The square root of 97697983 is about 9884.2290038222. The cubic root of 97697983 is about 460.5695261475.

The spelling of 97697983 in words is "ninety-seven million, six hundred ninety-seven thousand, nine hundred eighty-three".