9937991002 has 32 divisors (see below), whose sum is σ = 16665151680. Its totient is φ = 4417079040.

The previous prime is 9937990969. The next prime is 9937991003. The reversal of 9937991002 is 2001997399.

It is not an unprimeable number, because it can be changed into a prime (9937991003) 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, 190588 + ... + 237064.

It is an arithmetic number, because the mean of its divisors is an integer number (520785990).

Almost surely, 2^9937991002 is an apocalyptic number.

9937991002 is a deficient number, since it is larger than the sum of its proper divisors (6727160678).

9937991002 is a wasteful number, since it uses less digits than its factorization.

9937991002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46846.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 9937991002 is about 99689.4728745217. The cubic root of 9937991002 is about 2149.9723091440.

The spelling of 9937991002 in words is "nine billion, nine hundred thirty-seven million, nine hundred ninety-one thousand, two".