997772336 has 30 divisors (see below), whose sum is σ = 2109813996. Its totient is φ = 453342400.

The previous prime is 997772317. The next prime is 997772339. The reversal of 997772336 is 633277799.

It is a happy number.

997772336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (997772339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417866 + ... + 420246.

Almost surely, 2^997772336 is an apocalyptic number.

It is an amenable number.

997772336 is an abundant number, since it is smaller than the sum of its proper divisors (1112041660).

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

997772336 is an equidigital number, since it uses as much as digits as its factorization.

997772336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781 (or 2394 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 53.

The square root of 997772336 is about 31587.5345033448. The cubic root of 997772336 is about 999.2568932625.

The spelling of 997772336 in words is "nine hundred ninety-seven million, seven hundred seventy-two thousand, three hundred thirty-six".