997106680 has 16 divisors (see below), whose sum is σ = 2243490120. Its totient is φ = 398842656.

The previous prime is 997106657. The next prime is 997106683. The reversal of 997106680 is 86601799.

It is a self number, because there is not a number n which added to its sum of digits gives 997106680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997106683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12463794 + ... + 12463873.

Almost surely, 2^997106680 is an apocalyptic number.

It is an amenable number.

997106680 is an abundant number, since it is smaller than the sum of its proper divisors (1246383440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997106680 is a wasteful number, since it uses less digits than its factorization.

997106680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927678 (or 24927674 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 997106680 is about 31576.9960572566. The cubic root of 997106680 is about 999.0346283575.

The spelling of 997106680 in words is "nine hundred ninety-seven million, one hundred six thousand, six hundred eighty".