9937997399 has 8 divisors (see below), whose sum is σ = 10920588048. Its totient is φ = 8968596160.

The previous prime is 9937997359. The next prime is 9937997401.

9937997399 is nontrivially palindromic in base 10.

9937997399 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 a de Polignac number, because none of the positive numbers 2^k-9937997399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9937997359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295772 + ... + 3298785.

It is an arithmetic number, because the mean of its divisors is an integer number (1365073506).

Almost surely, 2^9937997399 is an apocalyptic number.

9937997399 is a deficient number, since it is larger than the sum of its proper divisors (982590649).

9937997399 is a wasteful number, since it uses less digits than its factorization.

9937997399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594705.

The product of its digits is 234365481, while the sum is 74.

The square root of 9937997399 is about 99689.5049591480. The cubic root of 9937997399 is about 2149.9727704502.

The spelling of 9937997399 in words is "nine billion, nine hundred thirty-seven million, nine hundred ninety-seven thousand, three hundred ninety-nine".