997677068 has 12 divisors (see below), whose sum is σ = 1755582192. Its totient is φ = 496082160.

The previous prime is 997677047. The next prime is 997677071. The reversal of 997677068 is 860776799.

It is a junction number, because it is equal to n+sod(n) for n = 997676998 and 997677016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688280 + ... + 689727.

It is an arithmetic number, because the mean of its divisors is an integer number (146298516).

Almost surely, 2^997677068 is an apocalyptic number.

It is an amenable number.

997677068 is a deficient number, since it is larger than the sum of its proper divisors (757905124).

997677068 is a wasteful number, since it uses less digits than its factorization.

997677068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378192 (or 1378190 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 59.

The square root of 997677068 is about 31586.0264674112. The cubic root of 997677068 is about 999.2250890014.

The spelling of 997677068 in words is "nine hundred ninety-seven million, six hundred seventy-seven thousand, sixty-eight".