97666347 has 16 divisors (see below), whose sum is σ = 134650112. Its totient is φ = 62920800.

The previous prime is 97666319. The next prime is 97666363. The reversal of 97666347 is 74366679.

It is not a de Polignac number, because 97666347 - 2¹² = 97662251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97666296 and 97666305.

It is not an unprimeable number, because it can be changed into a prime (97666397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13848 + ... + 19674.

It is an arithmetic number, because the mean of its divisors is an integer number (8415632).

Almost surely, 2^97666347 is an apocalyptic number.

97666347 is a deficient number, since it is larger than the sum of its proper divisors (36983765).

97666347 is a wasteful number, since it uses less digits than its factorization.

97666347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018.

The product of its digits is 1143072, while the sum is 48.

The square root of 97666347 is about 9882.6285471022. The cubic root of 97666347 is about 460.5198077873.

The spelling of 97666347 in words is "ninety-seven million, six hundred sixty-six thousand, three hundred forty-seven".