97660331 has 2 divisors, whose sum is σ = 97660332. Its totient is φ = 97660330.

The previous prime is 97660327. The next prime is 97660337. The reversal of 97660331 is 13306679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97660331 - 2² = 97660327 is a prime.

It is a super-2 number, since 2×97660331² = 19075080502059122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97660291 and 97660300.

It is not a weakly prime, because it can be changed into another prime (97660337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48830165 + 48830166.

It is an arithmetic number, because the mean of its divisors is an integer number (48830166).

Almost surely, 2^97660331 is an apocalyptic number.

97660331 is a deficient number, since it is larger than the sum of its proper divisors (1).

97660331 is an equidigital number, since it uses as much as digits as its factorization.

97660331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 97660331 is about 9882.3241699511. The cubic root of 97660331 is about 460.5103519746.

The spelling of 97660331 in words is "ninety-seven million, six hundred sixty thousand, three hundred thirty-one".