997127232 has 56 divisors (see below), whose sum is σ = 2677643616. Its totient is φ = 327410688.

The previous prime is 997127179. The next prime is 997127233. The reversal of 997127232 is 232721799.

It is not an unprimeable number, because it can be changed into a prime (997127233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25893 + ... + 51620.

Almost surely, 2^997127232 is an apocalyptic number.

It is an amenable number.

997127232 is an abundant number, since it is smaller than the sum of its proper divisors (1680516384).

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

997127232 is a wasteful number, since it uses less digits than its factorization.

997127232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77595 (or 77585 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 997127232 is about 31577.3214823550. The cubic root of 997127232 is about 999.0414922230.

The spelling of 997127232 in words is "nine hundred ninety-seven million, one hundred twenty-seven thousand, two hundred thirty-two".