9997866680903 has 8 divisors (see below), whose sum is σ = 10586055897072. Its totient is φ = 9409686288256.

The previous prime is 9997866680843. The next prime is 9997866680929. The reversal of 9997866680903 is 3090866687999.

9997866680903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9997866680903 - 2¹⁶ = 9997866615367 is a prime.

It is a super-2 number, since 2×9997866680903² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997866680003) 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, 202076 + ... + 4476222.

It is an arithmetic number, because the mean of its divisors is an integer number (1323256987134).

Almost surely, 2^{9997866680903} is an apocalyptic number.

9997866680903 is a deficient number, since it is larger than the sum of its proper divisors (588189216169).

9997866680903 is a wasteful number, since it uses less digits than its factorization.

9997866680903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411761.

The product of its (nonzero) digits is 1904684544, while the sum is 80.

The spelling of 9997866680903 in words is "nine trillion, nine hundred ninety-seven billion, eight hundred sixty-six million, six hundred eighty thousand, nine hundred three".