997322108 has 6 divisors (see below), whose sum is σ = 1745313696. Its totient is φ = 498661052.

The previous prime is 997322071. The next prime is 997322129. The reversal of 997322108 is 801223799.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124665260 + ... + 124665267.

It is an arithmetic number, because the mean of its divisors is an integer number (290885616).

Almost surely, 2^997322108 is an apocalyptic number.

It is an amenable number.

997322108 is a deficient number, since it is larger than the sum of its proper divisors (747991588).

997322108 is a wasteful number, since it uses less digits than its factorization.

997322108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249330531 (or 249330529 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 997322108 is about 31580.4070271426. The cubic root of 997322108 is about 999.1065713563.

The spelling of 997322108 in words is "nine hundred ninety-seven million, three hundred twenty-two thousand, one hundred eight".