97331669 has 2 divisors, whose sum is σ = 97331670. Its totient is φ = 97331668.

The previous prime is 97331617. The next prime is 97331677. The reversal of 97331669 is 96613379.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97278769 + 52900 = 9863^2 + 230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97331669 is a prime.

It is a super-2 number, since 2×97331669² = 18946907580651122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97333669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48665834 + 48665835.

It is an arithmetic number, because the mean of its divisors is an integer number (48665835).

Almost surely, 2^97331669 is an apocalyptic number.

It is an amenable number.

97331669 is a deficient number, since it is larger than the sum of its proper divisors (1).

97331669 is an equidigital number, since it uses as much as digits as its factorization.

97331669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 97331669 is about 9865.6813753537. The cubic root of 97331669 is about 459.9931772775.

The spelling of 97331669 in words is "ninety-seven million, three hundred thirty-one thousand, six hundred sixty-nine".