9097997866 has 16 divisors (see below), whose sum is σ = 13877424288. Its totient is φ = 4472262000.

The previous prime is 9097997863. The next prime is 9097997873. The reversal of 9097997866 is 6687997909.

It is a junction number, because it is equal to n+sod(n) for n = 9097997795 and 9097997804.

It is not an unprimeable number, because it can be changed into a prime (9097997863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251841 + ... + 285691.

It is an arithmetic number, because the mean of its divisors is an integer number (867339018).

Almost surely, 2^9097997866 is an apocalyptic number.

9097997866 is a deficient number, since it is larger than the sum of its proper divisors (4779426422).

9097997866 is a wasteful number, since it uses less digits than its factorization.

9097997866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36117.

The product of its (nonzero) digits is 92588832, while the sum is 70.

The square root of 9097997866 is about 95383.4255308542. The cubic root of 9097997866 is about 2087.6063548237.

The spelling of 9097997866 in words is "nine billion, ninety-seven million, nine hundred ninety-seven thousand, eight hundred sixty-six".