817025966 has 8 divisors (see below), whose sum is σ = 1237673304. Its totient is φ = 404468200.

The previous prime is 817025953. The next prime is 817026013. The reversal of 817025966 is 669520718.

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

It is a congruent number.

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, 2022140 + ... + 2022543.

It is an arithmetic number, because the mean of its divisors is an integer number (154709163).

Almost surely, 2^817025966 is an apocalyptic number.

817025966 is a deficient number, since it is larger than the sum of its proper divisors (420647338).

817025966 is a wasteful number, since it uses less digits than its factorization.

817025966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044786.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 817025966 is about 28583.6660699778. Note that the first 3 decimals coincide. The cubic root of 817025966 is about 934.8572197545.

The spelling of 817025966 in words is "eight hundred seventeen million, twenty-five thousand, nine hundred sixty-six".