997366259 has 8 divisors (see below), whose sum is σ = 1050228480. Its totient is φ = 944541000.

The previous prime is 997366229. The next prime is 997366303. The reversal of 997366259 is 952663799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997366259 - 2²⁸ = 728930803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997366229) 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 7 ways as a sum of consecutive naturals, for example, 59234 + ... + 74184.

It is an arithmetic number, because the mean of its divisors is an integer number (131278560).

Almost surely, 2^997366259 is an apocalyptic number.

997366259 is a deficient number, since it is larger than the sum of its proper divisors (52862221).

997366259 is a wasteful number, since it uses less digits than its factorization.

997366259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18481.

The product of its digits is 5511240, while the sum is 56.

The square root of 997366259 is about 31581.1060445957. The cubic root of 997366259 is about 999.1213144712.

The spelling of 997366259 in words is "nine hundred ninety-seven million, three hundred sixty-six thousand, two hundred fifty-nine".