97766217 has 24 divisors (see below), whose sum is σ = 146644640. Its totient is φ = 64373400.

The previous prime is 97766183. The next prime is 97766237. The reversal of 97766217 is 71266779.

It is not a de Polignac number, because 97766217 - 2⁷ = 97766089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97766237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463242 + ... + 463452.

Almost surely, 2^97766217 is an apocalyptic number.

It is an amenable number.

97766217 is a deficient number, since it is larger than the sum of its proper divisors (48878423).

97766217 is a wasteful number, since it uses less digits than its factorization.

97766217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 345 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 97766217 is about 9887.6800615716. The cubic root of 97766217 is about 460.6767244971.

The spelling of 97766217 in words is "ninety-seven million, seven hundred sixty-six thousand, two hundred seventeen".