997793359 has 16 divisors (see below), whose sum is σ = 1065885696. Its totient is φ = 930787200.

The previous prime is 997793351. The next prime is 997793369. The reversal of 997793359 is 953397799.

It is a cyclic number.

It is not a de Polignac number, because 997793359 - 2³ = 997793351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 997793297 and 997793306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997793351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580974 + ... + 1581604.

It is an arithmetic number, because the mean of its divisors is an integer number (66617856).

Almost surely, 2^997793359 is an apocalyptic number.

997793359 is a deficient number, since it is larger than the sum of its proper divisors (68092337).

997793359 is a wasteful number, since it uses less digits than its factorization.

997793359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 14467005, while the sum is 61.

The square root of 997793359 is about 31587.8672752688. The cubic root of 997793359 is about 999.2639113064.

The spelling of 997793359 in words is "nine hundred ninety-seven million, seven hundred ninety-three thousand, three hundred fifty-nine".