997112950 has 12 divisors (see below), whose sum is σ = 1854630180. Its totient is φ = 398845160.

The previous prime is 997112929. The next prime is 997112981. The reversal of 997112950 is 59211799.

It is a junction number, because it is equal to n+sod(n) for n = 997112897 and 997112906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9971080 + ... + 9971179.

It is an arithmetic number, because the mean of its divisors is an integer number (154552515).

Almost surely, 2^997112950 is an apocalyptic number.

997112950 is a deficient number, since it is larger than the sum of its proper divisors (857517230).

997112950 is a wasteful number, since it uses less digits than its factorization.

997112950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19942271 (or 19942266 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 997112950 is about 31577.0953382353. The cubic root of 997112950 is about 999.0367223942.

The spelling of 997112950 in words is "nine hundred ninety-seven million, one hundred twelve thousand, nine hundred fifty".