9997902863603 has 16 divisors (see below), whose sum is σ = 10269721651200. Its totient is φ = 9727881831360.

The previous prime is 9997902863591. The next prime is 9997902863621. The reversal of 9997902863603 is 3063682097999.

It is a cyclic number.

It is not a de Polignac number, because 9997902863603 - 2¹² = 9997902859507 is a prime.

It is a super-3 number, since 3×9997902863603³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9997902866603) 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, 81031583 + ... + 81154871.

It is an arithmetic number, because the mean of its divisors is an integer number (641857603200).

Almost surely, 2^{9997902863603} is an apocalyptic number.

9997902863603 is a deficient number, since it is larger than the sum of its proper divisors (271818787597).

9997902863603 is a wasteful number, since it uses less digits than its factorization.

9997902863603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130562.

The product of its (nonzero) digits is 238085568, while the sum is 71.

The spelling of 9997902863603 in words is "nine trillion, nine hundred ninety-seven billion, nine hundred two million, eight hundred sixty-three thousand, six hundred three".