997130996 has 12 divisors (see below), whose sum is σ = 1801269120. Its totient is φ = 482482680.

The previous prime is 997130977. The next prime is 997131043. The reversal of 997130996 is 699031799.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4020566 + ... + 4020813.

It is an arithmetic number, because the mean of its divisors is an integer number (150105760).

Almost surely, 2^997130996 is an apocalyptic number.

It is an amenable number.

997130996 is a deficient number, since it is larger than the sum of its proper divisors (804138124).

997130996 is a wasteful number, since it uses less digits than its factorization.

997130996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041414 (or 8041412 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 53.

The square root of 997130996 is about 31577.3810820340. The cubic root of 997130996 is about 999.0427492968.

The spelling of 997130996 in words is "nine hundred ninety-seven million, one hundred thirty thousand, nine hundred ninety-six".