9997583996 has 6 divisors (see below), whose sum is σ = 17495772000. Its totient is φ = 4998791996.

The previous prime is 9997583993. The next prime is 9997584007. The reversal of 9997583996 is 6993857999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997583993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249697996 + ... + 1249698003.

It is an arithmetic number, because the mean of its divisors is an integer number (2915962000).

Almost surely, 2^9997583996 is an apocalyptic number.

It is an amenable number.

9997583996 is a deficient number, since it is larger than the sum of its proper divisors (7498188004).

9997583996 is a wasteful number, since it uses less digits than its factorization.

9997583996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499396003 (or 2499396001 counting only the distinct ones).

The product of its digits is 297606960, while the sum is 74.

The square root of 9997583996 is about 99987.9192502774. The cubic root of 9997583996 is about 2154.2611719628.

The spelling of 9997583996 in words is "nine billion, nine hundred ninety-seven million, five hundred eighty-three thousand, nine hundred ninety-six".