9997873475 has 12 divisors (see below), whose sum is σ = 12398904336. Its totient is φ = 7997304480.

The previous prime is 9997873447. The next prime is 9997873477. The reversal of 9997873475 is 5743787999.

It is not a de Polignac number, because 9997873475 - 2⁸ = 9997873219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9997873477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232514 + ... + 272136.

It is an arithmetic number, because the mean of its divisors is an integer number (1033242028).

Almost surely, 2^9997873475 is an apocalyptic number.

9997873475 is a deficient number, since it is larger than the sum of its proper divisors (2401030861).

9997873475 is a wasteful number, since it uses less digits than its factorization.

9997873475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49726 (or 49721 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 68.

The square root of 9997873475 is about 99989.3668096763. The cubic root of 9997873475 is about 2154.2819638979.

The spelling of 9997873475 in words is "nine billion, nine hundred ninety-seven million, eight hundred seventy-three thousand, four hundred seventy-five".