97666293 has 16 divisors (see below), whose sum is σ = 132906816. Its totient is φ = 63782400.

The previous prime is 97666279. The next prime is 97666313. The reversal of 97666293 is 39266679.

It is not a de Polignac number, because 97666293 - 2¹² = 97662197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97666253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27730 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (8306676).

Almost surely, 2^97666293 is an apocalyptic number.

It is an amenable number.

97666293 is a deficient number, since it is larger than the sum of its proper divisors (35240523).

97666293 is a wasteful number, since it uses less digits than its factorization.

97666293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524.

The product of its digits is 734832, while the sum is 48.

The square root of 97666293 is about 9882.6258150352. The cubic root of 97666293 is about 460.5197229130.

The spelling of 97666293 in words is "ninety-seven million, six hundred sixty-six thousand, two hundred ninety-three".