997366258 has 8 divisors (see below), whose sum is σ = 1709770752. Its totient is φ = 427442676.

The previous prime is 997366229. The next prime is 997366303. The reversal of 997366258 is 852663799.

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

It is a junction number, because it is equal to n+sod(n) for n = 997366199 and 997366208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35620210 + ... + 35620237.

It is an arithmetic number, because the mean of its divisors is an integer number (213721344).

Almost surely, 2^997366258 is an apocalyptic number.

997366258 is a deficient number, since it is larger than the sum of its proper divisors (712404494).

997366258 is a wasteful number, since it uses less digits than its factorization.

997366258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71240456.

The product of its digits is 4898880, while the sum is 55.

The square root of 997366258 is about 31581.1060287635. The cubic root of 997366258 is about 999.1213141373.

The spelling of 997366258 in words is "nine hundred ninety-seven million, three hundred sixty-six thousand, two hundred fifty-eight".